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	<title>DP Economics: Unit 2.1: Demand</title>
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economics (HL)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/32798/unit-242-business-objectives-hl" title="Unit 2.4(2): Business objectives (HL)">Unit 2.4(2): Business objectives (HL)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/32663/unit-251-price-elasticity-of-demand-ped" title="Unit 2.5(1): Price elasticity of demand (PED)">Unit 2.5(1): Price elasticity of demand (PED)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/32788/unit-252-income-elasticity-of-demand-yed-" title="Unit 2.5(2): Income elasticity of demand (YED) ">Unit 2.5(2): Income elasticity of demand (YED) </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/32789/unit-26-price-elasticity-of-supply-pes-" title="Unit 2.6: Price elasticity of supply (PES) ">Unit 2.6: Price elasticity of supply (PES) </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/33388/unit-271-governments-in-markets-tax-and-subsidy-" title="Unit 2.7(1): Governments in markets - tax and subsidy ">Unit 2.7(1): Governments in markets - tax and subsidy </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/33424/unit-272-governments-in-markets-price-controls" title="Unit 2.7(2): Governments in markets - price controls">Unit 2.7(2): Governments in markets - price controls</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/33665/unit-281-market-failure-externalities" title="Unit 2.8(1): Market failure – externalities">Unit 2.8(1): Market failure – externalities</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/33808/unit-282-market-failure-merit-goods-and-demerit-goods-" title="Unit 2.8(2): Market failure - merit goods and demerit goods ">Unit 2.8(2): Market failure - merit goods and demerit goods </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/34054/unit-283-government-intervention-to-manage-externalities-merit-a" title="Unit 2.8(3): Government intervention to manage externalities, merit and demerit goods ">Unit 2.8(3): Government intervention to manage externalities, merit and demerit goods </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/34082/unit-284-common-access-pool-resources" title="Unit 2.8(4): Common access (pool) resources">Unit 2.8(4): Common access (pool) resources</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/34087/unit-29-public-goods" title="Unit 2.9: Public goods">Unit 2.9: Public goods</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/34247/unit-210-asymmetric-information-hl" title="Unit 2.10:  Asymmetric information (HL)">Unit 2.10:  Asymmetric information (HL)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/35118/unit-2111-market-power-theory-of-production-and-costs-hl" title="Unit 2.11(1) Market power - Theory of production and costs (HL)">Unit 2.11(1) Market power - Theory of production and costs (HL)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/35125/unit-2112-market-power-perfect-competitionhl" title="Unit 2.11(2) Market power - Perfect competition(HL)">Unit 2.11(2) Market power - Perfect competition(HL)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/35147/unit-2113-market-power-monopolyhl" title="Unit 2.11(3) Market power - Monopoly(HL)">Unit 2.11(3) Market power - Monopoly(HL)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/35151/unit-2114-market-power-monopolistic-competitionhl" title="Unit 2.11(4) Market power - Monopolistic competition(HL)">Unit 2.11(4) Market power - Monopolistic competition(HL)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/35153/unit-2115-market-power-oligopolyhl" title="Unit 2.11(5) Market power - Oligopoly(HL)">Unit 2.11(5) Market power - Oligopoly(HL)</a></li><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/41603/economics-real-world-examples-and-extension-material-" title="Economics real world examples and extension material ">Economics real world examples and extension material </a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/43378/opportunity-cost-and-production-possibility-curves" title="Opportunity cost and production possibility curves">Opportunity cost and production possibility curves</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/42559/demand-theory" title="Demand theory">Demand theory</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/41886/the-price-mechanism" title="The price mechanism">The price mechanism</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/43188/market-demand-and-supply" title="Market demand and supply">Market demand and supply</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/41705/demerit-goods" title="Demerit goods">Demerit goods</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/42275/market-failure-and-climate-change" title="Market failure and climate change">Market failure and climate change</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/42925/market-power" title="Market power">Market power</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/42099/applying-game-theory" title="Applying game theory">Applying game theory</a></li></ul></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/34407/chapter-3-macroeconomics" title="Chapter 3: Macroeconomics">Chapter 3: Macroeconomics</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/34355/unit-311-measuring-the-level-of-economic-activity" title="Unit 3.1(1): Measuring the level of economic activity">Unit 3.1(1): Measuring the level of economic activity</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/34432/unit-312-measuring-economic-development" title="Unit 3.1(2): Measuring Economic Development">Unit 3.1(2): Measuring Economic Development</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/34485/unit-321-variations-in-economic-activity-aggregate-demand-ad-" title="Unit 3.2(1): Variations in economic activity - aggregate demand (AD) ">Unit 3.2(1): Variations in economic activity - aggregate demand (AD) </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/34487/unit-322-variations-in-economic-activity-aggregate-supplyas" title="Unit 3.2(2): Variations in economic activity - aggregate supply(AS)">Unit 3.2(2): Variations in economic activity - aggregate supply(AS)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/34758/unit-331-macroeconomic-objectives-economic-growth" title="Unit 3.3(1) Macroeconomic objectives: economic growth">Unit 3.3(1) Macroeconomic objectives: economic growth</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/34771/unit-332-macroeconomic-objectives-unemployment-" title="Unit 3.3(2) Macroeconomic objectives: unemployment ">Unit 3.3(2) Macroeconomic objectives: unemployment </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/34778/unit-333-macroeconomic-objectives-inflation-and-deflation-" title="Unit 3.3(3) Macroeconomic objectives: inflation and deflation ">Unit 3.3(3) Macroeconomic objectives: inflation and deflation </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/34925/unit-341-economics-of-inequality-and-poverty" title="Unit 3.4(1) Economics of inequality and poverty">Unit 3.4(1) Economics of inequality and poverty</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/34946/unit-342-policies-to-improve-equality-equity-and-poverty" title="Unit 3.4(2) Policies to improve equality, equity and poverty">Unit 3.4(2) Policies to improve equality, equity and poverty</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/34993/unit-35-government-management-of-the-economy-monetary-policy" title="Unit 3.5 Government management of the economy – monetary policy">Unit 3.5 Government management of the economy – monetary policy</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/34962/unit-36-government-management-of-the-economy-fiscal-policy" title="Unit 3.6 Government management of the economy – fiscal policy">Unit 3.6 Government management of the economy – fiscal policy</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/35017/unit-371-market-based-supply-side-policies-" title="Unit 3.7(1) Market based supply-side policies ">Unit 3.7(1) Market based supply-side policies </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/35018/unit-372-interventionist-supply-side-policies-" title="Unit 3.7(2) Interventionist supply-side policies ">Unit 3.7(2) Interventionist supply-side policies </a></li><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/45803/economics-real-world-examples-and-extension-material-" title="Economics real world examples and extension material ">Economics real world examples and extension material </a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/42639/measuring-economic-well-being" title="Measuring economic well-being">Measuring economic well-being</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/43044/inflation" title="Inflation">Inflation</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/42350/inequality" title="Inequality">Inequality</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/41639/inequity" title="Inequity">Inequity</a></li></ul></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/35414/chapter-4-the-global-economy" title="Chapter 4: The Global Economy">Chapter 4: The Global Economy</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/35346/unit-41-benefits-of-international-trade" title="Unit 4.1 Benefits of international trade">Unit 4.1 Benefits of international trade</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/35348/unit-4243-trade-protectionism" title="Unit 4.2/4.3 Trade protectionism">Unit 4.2/4.3 Trade protectionism</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/35407/unit-44-economic-integration-" title="Unit 4.4 Economic integration ">Unit 4.4 Economic integration </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/35409/unit-45-exchange-rates" title="Unit 4.5 Exchange rates">Unit 4.5 Exchange rates</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/35413/unit-46-balance-of-payments-" title="Unit 4.6 Balance of payments ">Unit 4.6 Balance of payments </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/35675/unit-47-sustainable-development" title="Unit 4.7 Sustainable development">Unit 4.7 Sustainable development</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/35685/unit-48-measuring-development-" title="Unit 4.8 Measuring development ">Unit 4.8 Measuring development </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/35687/unit-49-barriers-to-economic-development" title="Unit 4.9 Barriers to economic development">Unit 4.9 Barriers to economic development</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/35702/unit-410-economic-growth-and-economic-development-strategies" title="Unit 4.10: Economic growth and economic development strategies">Unit 4.10: Economic growth and economic development strategies</a></li><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/45804/economics-real-world-examples-and-extension-material-" title="Economics real world examples and extension material ">Economics real world examples and extension material </a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/41927/foreign-currency" title="Foreign currency">Foreign currency</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/43532/exchange-rates" title="Exchange rates">Exchange rates</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/43804/balance-of-payments" title="Balance of payments">Balance of payments</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/41796/economic-development" title="Economic development">Economic development</a></li></ul></ul></ul><li class="ancestor parent std-toplevel" style="padding-left: 4px"><i class="expander fa fa-caret-right fa-rotate-90"></i><a class="" href="https://www.student.thinkib.net/economics/page/20132/units-1-2-microeconomics" title="Units 1-2: Microeconomics">Units 1-2: Microeconomics</a></li><ul class="level-1 expanded"><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="std-disabled" href="#" title="Unit 1: Introduction to economics">Unit 1: Introduction to economics</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20091/introductory-activity" title="Introductory activity">Introductory activity</a></li><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20093/unit-11-scarcity-choice-and-opportunity-cost" title="Unit 1.1: Scarcity, choice and opportunity cost">Unit 1.1: Scarcity, choice and opportunity cost</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21647/factors-of-production" title="Factors of production">Factors of production</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20114/economic-systems" title="Economic systems">Economic systems</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20134/public-and-private-sectors" title="Public and private sectors">Public and private sectors</a></li></ul><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/28055/unit-12-economics-as-a-social-science" title="Unit 1.2: Economics as a social science">Unit 1.2: Economics as a social science</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/29921/circular-flow-of-national-income" title="Circular flow of national income">Circular flow of national income</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/29829/unit-1-review-terms" title="Unit 1: Review terms">Unit 1: Review terms</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/41600/introduction-to-economics-crossword" title="Introduction to economics crossword">Introduction to economics crossword</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/4331/unit-1-multiple-choice-quiz" title="Unit 1: Multiple choice quiz">Unit 1: Multiple choice quiz</a></li></ul><li class="ancestor parent" style="padding-left: 14px"><i class="expander fa fa-caret-right fa-rotate-90"></i><a class="" href="https://www.student.thinkib.net/economics/page/20177/unit-21-23-competitive-markets-demand-and-supply" title="Unit 2.1-2.3: Competitive markets - demand and supply">Unit 2.1-2.3: Competitive markets - demand and supply</a></li><ul class="level-2 expanded"><li class="current parent" style="padding-left: 28px"><i class="expander fa fa-caret-right fa-rotate-90"></i><a class="" href="https://www.student.thinkib.net/economics/page/28517/unit-21-demand" title="Unit 2.1: Demand">Unit 2.1: Demand</a></li><ul class="level-3 expanded"><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/22349/determinants-of-demand" title="Determinants of demand">Determinants of demand</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/29949/unit-22-supply-" title="Unit 2.2: Supply ">Unit 2.2: Supply </a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20184/changes-to-supply-and-demand-" title="Changes to supply and demand ">Changes to supply and demand </a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21992/practise-exercises" title="Practise exercises">Practise exercises</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/26112/gold-exchange-game-demand-and-supply" title="Gold exchange game: Demand and supply">Gold exchange game: Demand and supply</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20194/unit-23-competitive-market-equilibrium" title="Unit 2.3: Competitive market equilibrium">Unit 2.3: Competitive market equilibrium</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20144/producer-and-consumer-surplus" title="Producer and consumer surplus">Producer and consumer surplus</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/22351/veblen-goods-and-super-luxury-goods" title="Veblen goods and super luxury goods">Veblen goods and super luxury goods</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/25677/are-cryptocurrencies-the-new-tulipmania" title="Are Cryptocurrencies the new Tulipmania?">Are Cryptocurrencies the new Tulipmania?</a></li></ul><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20472/unit-21-23-multiple-choice-quiz" title="Unit 2.1-2.3: Multiple choice quiz">Unit 2.1-2.3: Multiple choice quiz</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20113/unit-24-consumer-and-producer-behaviour-hl-only" title="Unit 2.4: Consumer and producer behaviour (HL only)">Unit 2.4: Consumer and producer behaviour (HL only)</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/36073/behavioural-economics-consumer-biases-nudge-theory-hl-only" title="Behavioural economics: Consumer biases / nudge theory (HL only)">Behavioural economics: Consumer biases / nudge theory (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20378/business-objectives-hl-only" title="Business objectives (HL only)">Business objectives (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/28741/unit-21-24-review-terms-" title="Unit 2.1-2.4: Review terms ">Unit 2.1-2.4: Review terms </a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20195/unit-25-26-elasticity" title="Unit 2.5-2.6: Elasticity">Unit 2.5-2.6: Elasticity</a></li><ul class="level-2 "><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/28713/unit-25-price-elasticity-of-demand" title="Unit 2.5: Price elasticity of demand">Unit 2.5: Price elasticity of demand</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21545/determinants-of-price-elasticity-" title="Determinants of price elasticity ">Determinants of price elasticity </a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21532/ped-elasticity-and-sales-revenue" title="PED elasticity and sales revenue?">PED elasticity and sales revenue?</a></li></ul><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21259/unit-25-income-elasticity-of-demand-yed" title="Unit 2.5: Income elasticity of demand (YED)">Unit 2.5: Income elasticity of demand (YED)</a></li><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21200/unit-26-price-elasticity-of-supply" title="Unit 2.6: Price elasticity of supply">Unit 2.6: Price elasticity of supply</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20207/perfectly-elastic-inelastic-supply-curves" title="Perfectly elastic / inelastic supply curves">Perfectly elastic / inelastic supply curves</a></li></ul><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20230/a-mathematical-note-about-elasticity-" title="A mathematical note about elasticity ">A mathematical note about elasticity </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/39037/demand-and-supply-crossword" title="Demand and supply crossword">Demand and supply crossword</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/29021/unit-25-26-review-terms" title="Unit 2.5-2.6: Review terms">Unit 2.5-2.6: Review terms</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20474/unit-25-26-multiple-choice-quiz-" title="Unit 2.5-2.6: Multiple choice quiz ">Unit 2.5-2.6: Multiple choice quiz </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/44474/unit-21-25-competitive-markets-quiz" title="Unit 2.1- 2.5: Competitive markets quiz">Unit 2.1- 2.5: Competitive markets quiz</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20243/unit-27-the-role-of-government-in-microeconomics-" title="Unit 2.7: The role of government in microeconomics  ">Unit 2.7: The role of government in microeconomics  </a></li><ul class="level-2 "><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/26590/indirect-taxation" title="Indirect taxation">Indirect taxation</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20246/ped-and-the-burden-of-tax-hl-only-" title="PED and the burden of tax (HL only) ">PED and the burden of tax (HL only) </a></li></ul><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20277/government-subsidies-" title="Government subsidies ">Government subsidies </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/29117/unit-27-indirect-tax-and-subsidy-review-terms" title="Unit 2.7: Indirect tax and subsidy review terms">Unit 2.7: Indirect tax and subsidy review terms</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20287/price-controls-maximum-price-" title="Price controls − maximum price ">Price controls − maximum price </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20288/minimum-price-" title="Minimum price ">Minimum price </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21540/minimum-wage-" title="Minimum wage ">Minimum wage </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/38849/labour-market-crossword" title="Labour market crossword">Labour market crossword</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/29260/unit-27-price-controls-review-terms" title="Unit 2.7: Price controls review terms">Unit 2.7: Price controls review terms</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20303/unit-28-210-market-failure-" title="Unit 2.8-2.10: Market failure ">Unit 2.8-2.10: Market failure </a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21543/unit-28-merit-goods-" title="Unit 2.8: Merit goods ">Unit 2.8: Merit goods </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/23123/unit-28-demerit-goods-negative-externalities" title="Unit 2.8: Demerit goods / negative externalities">Unit 2.8: Demerit goods / negative externalities</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/38850/market-failure-crossword" title="Market failure crossword">Market failure crossword</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/29262/unit-29-economics-of-the-environment-and-public-goods-" title="Unit 2.9: Economics of the environment and public goods ">Unit 2.9: Economics of the environment and public goods </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20332/unit-210-asymmetric-information-hl-only" title="Unit 2.10: Asymmetric information (HL only)">Unit 2.10: Asymmetric information (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/29828/unit-28-210-market-failure-review-sheet" title="Unit 2.8-2.10: Market failure review sheet">Unit 2.8-2.10: Market failure review sheet</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/29827/unit-28-210-market-failure-review-terms" title="Unit 2.8-2.10: Market failure review terms">Unit 2.8-2.10: Market failure review terms</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20479/unit-27-210-multiple-choice-quiz-" title="Unit 2.7-2.10: Multiple choice quiz ">Unit 2.7-2.10: Multiple choice quiz </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/44501/unit-27-210-government-failure-revision-quiz" title="Unit 2.7-2.10 Government failure revision quiz">Unit 2.7-2.10 Government failure revision quiz</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20330/unit-211-market-power-hl-only" title="Unit 2.11: Market power (HL only)">Unit 2.11: Market power (HL only)</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/29835/assessment-map" title="Assessment map">Assessment map</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21528/production-hl-only" title="Production (HL only)">Production (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/29978/revenue-theory-hl-only" title="Revenue theory (HL only)">Revenue theory (HL only)</a></li><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20357/costs-of-production-hl-only" title="Costs of production (HL only)">Costs of production (HL only)</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21286/economies-and-diseconomies-of-scale-hl-only" title="Economies and diseconomies of scale (HL only)">Economies and diseconomies of scale (HL only)</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/22494/long-run-average-cost-curves-hl-only" title="Long run average cost curves (HL only)">Long run average cost curves (HL only)</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/29838/breakeven-hl-only" title="Breakeven (HL only)">Breakeven (HL only)</a></li></ul><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20340/economic-profit-hl-only" title="Economic profit (HL only)">Economic profit (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/39082/market-power-crossword" title="Market power crossword">Market power crossword</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/22495/revision-exercise-on-cost-and-revenue-hl-only" title="Revision exercise on cost and revenue (HL only)">Revision exercise on cost and revenue (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/29845/unit-211-costs-revenue-and-profit-review-sheet-hl-only" title="Unit 2.11: Costs, revenue and profit review sheet (HL only)">Unit 2.11: Costs, revenue and profit review sheet (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/44484/unit-211-multiple-choice-quiz-sl-units" title="Unit 2.11: Multiple choice quiz (SL units)">Unit 2.11: Multiple choice quiz (SL units)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/29846/market-structures-hl-only" title="Market structures (HL only)">Market structures (HL only)</a></li><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/29981/perfect-competition-hl-only" title="Perfect competition (HL only)">Perfect competition (HL only)</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/24486/profit-in-perfect-competition-hl-only" title="Profit in perfect competition (HL only)">Profit in perfect competition (HL only)</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21302/efficiency-in-perfect-competition-hl-only" title="Efficiency in perfect competition (HL only)">Efficiency in perfect competition (HL only)</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20430/monopoly-hl-only" title="Monopoly (HL only)">Monopoly (HL only)</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/24529/profit-and-revenue-maximisation-in-monopoly-hl-only" title="Profit and revenue maximisation in monopoly (HL only)">Profit and revenue maximisation in monopoly (HL only)</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21306/a-comparison-of-monopoly-and-perfect-competition-hl-only" title="A comparison of monopoly and perfect competition? (HL only)">A comparison of monopoly and perfect competition? (HL only)</a></li></ul><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20435/monopolistic-competition-hl-only" title="Monopolistic competition (HL only)">Monopolistic competition (HL only)</a></li><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20436/oligopoly-hl-only" title="Oligopoly (HL only)">Oligopoly (HL only)</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/22310/game-theory-hl-only" title="Game theory (HL only)">Game theory (HL only)</a></li></ul><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/29918/unit-211-market-structures-review-sheet-hl-only" title="Unit 2.11: Market structures review sheet (HL only)">Unit 2.11: Market structures review sheet (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/32337/unit-211-diagram-revision-" title="Unit 2.11: Diagram revision ">Unit 2.11: Diagram revision </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20480/unit-211-multiple-choice-quiz-hl-only" title="Unit 2.11: Multiple choice quiz (HL only)">Unit 2.11: Multiple choice quiz (HL only)</a></li></ul><li class="" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/32425/unit-212-the-markets-inability-to-achieve-equity-hl-only" title="Unit 2.12: The market’s inability to achieve equity (HL only)">Unit 2.12: The market’s inability to achieve equity (HL only)</a></li></ul><li class=" parent std-toplevel" style="padding-left: 4px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21842/unit-3-macroeconomics-" title="Unit 3: Macroeconomics ">Unit 3: Macroeconomics </a></li><ul class="level-1 "><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/3942/unit-31-measuring-economic-activity-and-illustrating-its-variati" title="Unit 3.1: Measuring economic activity and illustrating its variations">Unit 3.1: Measuring economic activity and illustrating its variations</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20558/calculating-national-income" title="Calculating national income">Calculating national income</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21297/gdp-gni-as-a-measure-of-living-standards" title="GDP / GNI as a measure of living standards">GDP / GNI as a measure of living standards</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20567/national-income-statistics" title="National income statistics">National income statistics</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21580/the-business-cycle" title="The business cycle">The business cycle</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/29931/unit-31-economic-activity-review-sheet" title="Unit 3.1: Economic activity review sheet">Unit 3.1: Economic activity review sheet</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20592/unit-32-variations-in-economic-activityaggregate-demand-and-aggr" title="Unit 3.2: Variations in economic activity—aggregate demand and aggregate supply">Unit 3.2: Variations in economic activity—aggregate demand and aggregate supply</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/29933/aggregate-demand-and-supply" title="Aggregate demand and supply">Aggregate demand and supply</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21582/components-of-aggregate-demand" title="Components of aggregate demand">Components of aggregate demand</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20634/equilibrium-in-macroeconomics-neo-classical-perspective" title="Equilibrium in macroeconomics (neo-classical perspective)">Equilibrium in macroeconomics (neo-classical perspective)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20439/equilibrium-in-macroeconomics-keynesian-perspective" title="Equilibrium in macroeconomics (keynesian perspective)">Equilibrium in macroeconomics (keynesian perspective)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21349/john-maynard-keynes" title="John Maynard Keynes">John Maynard Keynes</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20650/keynesian-v-free-market-debate-" title="Keynesian v free market debate ">Keynesian v free market debate </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21342/changes-in-the-long-run-aggregate-supply" title="Changes in the long run aggregate supply">Changes in the long run aggregate supply</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/30055/unit-32-aggregate-demand-and-supply-review-sheet" title="Unit 3.2: Aggregate demand and supply review sheet">Unit 3.2: Aggregate demand and supply review sheet</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20610/unit-35-and-36-demand-management-fiscal-and-monetary-policy" title="Unit 3.5 and 3.6: Demand management - fiscal and monetary policy">Unit 3.5 and 3.6: Demand management - fiscal and monetary policy</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/30058/government-budget" title="Government budget">Government budget</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21585/fiscal-policy-" title="Fiscal policy ">Fiscal policy </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21343/multiplier-hl-only" title="Multiplier (HL only)">Multiplier (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21795/monetary-policy-" title="Monetary policy  ">Monetary policy  </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/30071/independent-central-banks" title="Independent central banks">Independent central banks</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/30083/unit-35-and-36-review-sheet" title="Unit 3.5 and 3.6 review sheet">Unit 3.5 and 3.6 review sheet</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20615/unit-37-supply-side-policies" title="Unit 3.7: Supply side policies">Unit 3.7: Supply side policies</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20651/the-role-of-supply-side-policies" title="The role of supply side policies">The role of supply side policies</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20622/market-based-and-interventionist-supply-side-policies-" title="Market based and interventionist supply side policies ">Market based and interventionist supply side policies </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/39129/aggregate-demand-and-supply-crossword" title="Aggregate demand and supply crossword">Aggregate demand and supply crossword</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/30086/unit-37-review-sheet" title="Unit 3.7: Review sheet">Unit 3.7: Review sheet</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20755/unit-31-32-and-35-37-multiple-choice-quiz-" title="Unit 3.1-3.2 and 3.5-3.7: Multiple choice quiz  ">Unit 3.1-3.2 and 3.5-3.7: Multiple choice quiz  </a></li></ul><li class="" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/44522/unit-31-32-and-35-37-revision-quiz" title="Unit 3.1-3.2 and 3.5-3.7: Revision quiz">Unit 3.1-3.2 and 3.5-3.7: Revision quiz</a></li><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20686/unit-33-macroeconomic-objectives" title="Unit 3.3: Macroeconomic objectives">Unit 3.3: Macroeconomic objectives</a></li><ul class="level-2 "><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/30118/unemployment" title="Unemployment">Unemployment</a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21351/types-of-unemployment" title="Types of unemployment?">Types of unemployment?</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21593/equilibrium-unemployment-" title="Equilibrium unemployment ">Equilibrium unemployment </a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21594/disequilibrium-unemployment" title="Disequilibrium unemployment">Disequilibrium unemployment</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/30458/unemployment-review-sheet" title="Unemployment review sheet">Unemployment review sheet</a></li></ul><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20713/inflation-" title="Inflation ">Inflation </a></li><ul class="level-3 "><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20712/measuring-inflation-hl-only" title="Measuring inflation (HL only)">Measuring inflation (HL only)</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20685/costs-of-inflation-and-deflation" title="Costs of inflation and deflation">Costs of inflation and deflation</a></li><li class="" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/30465/inflation-review-sheet" title="Inflation review sheet">Inflation review sheet</a></li></ul><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20716/unemployment-v-inflation-trade-off-hl-only" title="Unemployment v inflation trade off (HL only)">Unemployment v inflation trade off (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/39133/macroeconomic-objectives-crossword" title="Macroeconomic objectives crossword">Macroeconomic objectives crossword</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/44511/unit-33-macroeconomic-indicators-revision-quiz" title="Unit 3.3: Macroeconomic indicators revision quiz">Unit 3.3: Macroeconomic indicators revision quiz</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20741/unit-34-economics-of-inequality-and-poverty" title="Unit 3.4: Economics of inequality and poverty">Unit 3.4: Economics of inequality and poverty</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/32398/inequality" title="Inequality">Inequality</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21356/the-role-of-spending-and-taxation-on-inequality-" title="The role of spending and taxation on inequality ">The role of spending and taxation on inequality </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21313/consequences-of-economic-growth" title="Consequences of economic growth">Consequences of economic growth</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/30257/economic-growth-and-inequality-review-sheet" title="Economic growth and inequality review sheet">Economic growth and inequality review sheet</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20756/unit-33-34-multiple-choice-" title="Unit 3.3-3.4: Multiple choice ">Unit 3.3-3.4: Multiple choice </a></li></ul></ul><li class=" parent std-toplevel" style="padding-left: 4px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21844/unit-4-global-economy" title="Unit 4: Global economy">Unit 4: Global economy</a></li><ul class="level-1 "><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21367/unit-41-benefits-of-international-trade" title="Unit 4.1: Benefits of international trade">Unit 4.1: Benefits of international trade</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/30529/benefits-of-international-trade" title="Benefits of international trade">Benefits of international trade</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20823/absolute-and-comparative-advantage-hl-only" title="Absolute and comparative advantage (HL only)">Absolute and comparative advantage (HL only)</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20845/unit-42-43-trade-protection" title="Unit 4.2-4.3: Trade protection">Unit 4.2-4.3: Trade protection</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/32419/barriers-to-trade-calculations-are-hl-only" title="Barriers to trade (calculations are HL only)">Barriers to trade (calculations are HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21610/case-study-on-tata-steel" title="Case study on Tata Steel">Case study on Tata Steel</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/23455/the-defence-industry" title="The Defence industry">The Defence industry</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/30610/unit-41-43-review-sheet" title="Unit 4.1-4.3: Review sheet">Unit 4.1-4.3: Review sheet</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20894/unit-44-economic-integration-" title="Unit 4.4: Economic integration ">Unit 4.4: Economic integration </a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/30634/economic-integration-some-hl-tasks" title="Economic integration (some HL tasks)">Economic integration (some HL tasks)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20840/world-trade-organisation-wto" title="World trade organisation (WTO)">World trade organisation (WTO)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/30635/unit-44-review-sheet" title="Unit 4.4: Review sheet">Unit 4.4: Review sheet</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20853/unit-45-exchange-rates" title="Unit 4.5: Exchange rates">Unit 4.5: Exchange rates</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/30611/floating-exchange-rates" title="Floating exchange rates">Floating exchange rates</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/31824/fixed-managed-exchange-rate-systems-some-hl-tasks" title="Fixed / managed exchange rate systems (some HL tasks)">Fixed / managed exchange rate systems (some HL tasks)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21624/the-market-for-foreign-exchange" title="The market for foreign exchange">The market for foreign exchange</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/30614/unit-45-review-sheet" title="Unit 4.5: Review sheet">Unit 4.5: Review sheet</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20859/unit-46-balance-of-payments" title="Unit 4.6: Balance of payments">Unit 4.6: Balance of payments</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/30624/balance-of-payments-" title="Balance of payments ">Balance of payments </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21386/current-account-hl-only" title="Current account (HL only)">Current account (HL only)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20872/the-marshall-lerner-condition-j-curve-hl-only" title="The Marshall-Lerner condition / J curve (HL only)">The Marshall-Lerner condition / J curve (HL only)</a></li></ul><li class="" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20899/units-41-46-multiple-choice-quiz-" title="Units 4.1-4.6: Multiple choice quiz ">Units 4.1-4.6: Multiple choice quiz </a></li><li class="" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/42989/unit-41-46-multiple-choice-quiz-ii" title="Unit 4.1-4.6: Multiple choice quiz II">Unit 4.1-4.6: Multiple choice quiz II</a></li><li class="" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/39438/unit-41-46-international-trade-crossword" title="Unit 4.1-4.6: International trade crossword">Unit 4.1-4.6: International trade crossword</a></li><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/32423/unit-47-sustainable-development-" title="Unit 4.7: Sustainable development ">Unit 4.7: Sustainable development </a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/26092/water-scarcity-activity" title="Water scarcity activity">Water scarcity activity</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/32426/sustainable-development" title="Sustainable development">Sustainable development</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20928/unit-48-measuring-development-" title="Unit 4.8: Measuring development ">Unit 4.8: Measuring development </a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/30686/measuring-development" title="Measuring development">Measuring development</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21627/economic-development-" title="Economic development ">Economic development </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/30679/unit-47-48-review-sheet" title="Unit 4.7-4.8: Review sheet">Unit 4.7-4.8: Review sheet</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="std-disabled" href="#" title="Unit 4.9: Barriers to development">Unit 4.9: Barriers to development</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/30727/barriers-to-development-in-international-trade" title="Barriers to development in International trade">Barriers to development in International trade</a></li></ul><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/32430/unit-410-economic-growth-andor-economic-development-strategies" title="Unit 4.10: Economic growth and/or economic development strategies">Unit 4.10: Economic growth and/or economic development strategies</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/30687/the-role-of-domestic-factors" title="The role of domestic factors">The role of domestic factors</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/30688/the-role-of-international-trade-and-development" title="The role of international trade and development">The role of international trade and development</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/30689/the-role-of-foreign-direct-investment-fdi" title="The role of foreign direct investment (FDI)">The role of foreign direct investment (FDI)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/25240/the-role-of-foreign-aid-" title="The role of foreign aid ">The role of foreign aid </a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/30819/multilateral-development-assistance" title="Multilateral development assistance">Multilateral development assistance</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21632/the-role-of-international-debt" title="The role of international debt">The role of international debt</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/25242/the-balance-between-markets-and-intervention" title="The balance between markets and intervention">The balance between markets and intervention</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/30926/unit-49-410-review-sheet" title="Unit 4.9 - 4.10: Review sheet">Unit 4.9 - 4.10: Review sheet</a></li></ul></ul><li class=" parent std-toplevel" style="padding-left: 4px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21380/assessment" title="Assessment">Assessment</a></li><ul class="level-1 "><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="std-disabled" href="#" title="Internal assessment ">Internal assessment </a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/20608/how-to-write-your-ia-student-handout" title="How to write your IA? (student handout)">How to write your IA? (student handout)</a></li><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/21428/how-to-interpret-the-assessment-criteria" title="How to interpret the assessment criteria?">How to interpret the assessment criteria?</a></li><li class=" parent" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="std-disabled" href="#" title="Grading practise ">Grading practise </a></li><ul class="level-3 "><li class=" parent" style="padding-left: 42px"><i class="expander fa fa-caret-right "></i><a class="std-disabled" href="#" title="Sample 3a">Sample 3a</a></li><ul class="level-4 "><li class="" style="padding-left: 56px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/32083/sample-3b" title="Sample 3b">Sample 3b</a></li></ul></ul></ul><li class="" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/32022/assessment-markbands" title="Assessment markbands">Assessment markbands</a></li></ul><li class=" parent std-toplevel" style="padding-left: 4px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/4332/exam-style-questions" title="Exam style questions">Exam style questions</a></li><ul class="level-1 "><li class=" parent" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="std-disabled" href="#" title="Paper 1 style examination questions">Paper 1 style examination questions</a></li><ul class="level-2 "><li class="" style="padding-left: 28px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/40100/unit-211-212-questions" title="Unit 2.11-2.12 questions">Unit 2.11-2.12 questions</a></li></ul><li class="" style="padding-left: 14px"><i class="expander fa fa-caret-right "></i><a class="" href="https://www.student.thinkib.net/economics/page/45102/paper-1-guidance-on-essay-writing" title="Paper 1 guidance on essay writing">Paper 1 guidance on essay writing</a></li></ul></ul></nav> </div> </div> </div> </div><div style="margin-top: 20px;"><style type="text/css">
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					<div id="main-column" class="span9">    <article id="unit-21-demand" style="margin-top: 16px;">
        <h1 class="section-title">Unit 2.1: Demand</h1>
        <ul class="breadcrumb"><li><a title="Home" href="https://www.student.thinkib.net/economics"><i class="fa fa-home"></i></a><span class="divider">/</span></li><li><span class="gray">Units 1-2: Microeconomics</span><span class="divider">/</span></li><li><a title="Go to: Unit 2.1-2.3: Competitive markets - demand and supply" href="https://www.student.thinkib.net/economics/page/20177/unit-21-23-competitive-markets-demand-and-supply">Unit 2.1-2.3: Competitive markets - demand and supply</a><span class="divider">/</span></li><li><span class="active">Unit 2.1: Demand</span></li></ul>
        
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                <h2><img alt="" src="/media/ib/economics/images/micro-economics-2/explanation-i-demand-one.png" style="width: 300px; height: 241px; float: right;" title="image: http://allthingsd.com" />Introduction</h2><p>Having completed the introductory units you will now be ready to begin the main part of the microeconomics course, with an understanding of markets.&nbsp; Start by explaining to your students that the market for any good or service ultimately comes down to two variables, supply and demand.&nbsp;</p><p>This page will introduce the first of those demand.&nbsp; The key term here is derived demand, which means that the demand for any good or service is derived from other variables - the income available of consumers to purchase the product, its popularity as well as rival and complimentary products.&nbsp;</p><p>A very important note about demand and one that will be very confusing for your classes is that price is <u>not</u> a determinate of demand.&nbsp; To understand why your students will need to understand the difference between demand and quantity demanded which is explained in this section.&nbsp; Students will also confuse supply with demand and it is very difficult for many IB students to understand.&nbsp; I will start by saying that it is entirely possible for someone to demand something when when there is no supply.&nbsp; Start with the introductory exercise before providing your classes with the handout.</p><hr class="hidden" /><div class="greenBg"><h3>Enquiry question</h3><p>Why is there an inverse relationship between the price and quantity demanded of a product, ceteris paribus.</p></div><div class="blueBg"><h4>Lesson notes</h4><p><strong>Lesson time: 1 hour</strong></p><p><strong><img alt="" src="/media/ib/economics/thumbnail_20161003_101131.jpg" style="width: 200px; height: 356px; float: left;" />Lesson objectives:</strong></p><p>An understanding of the causal inverse relationship between price and quantity demanded, represented by the demand curve.</p><p>The relationship between an individual consumer&rsquo;s demand and market demand.</p><p><strong>Teacher notes:</strong></p><section class="tib-hiddenbox"><p><span style="color:#FF0000;"><strong>1.</strong> <strong>Beginning activity </strong>- watch the short video which introduces the concept of demand. (5 minutes)</span></p><p><span style="color:#FF0000;"><strong>2.</strong> <strong>Processes</strong> -<strong> technical Vocabulary </strong>-<strong> </strong>the students can learn the key concepts through the class handout and power point presentation.&nbsp; Available at: <a href="/media/ib/economics/files/micro-economics/demand-presentation.pptx" target="_blank" title="Presentations"><img class="ico" src="https://assets.inthinking.net/thinkib/icons/ppt.png" />&nbsp;Demand</a>&nbsp;</span></p><p><span style="color:#FF0000;">The handout also contains short answer questions. (15 minutes)</span></p><p><strong><span style="color:#FF0000;">3. TOK connection </span></strong><span style="color:#FF0000;">- this activity includes relevant TOK essay titles, which may form the basis for a suitable discussion. (5 minutes)</span></p><p><span style="color:#FF0000;"><strong>4. A</strong><strong>ssessment</strong> - activity 4 includes some short answer responses on demand.&nbsp; (10 minutes)</span></p><p><span style="color:#FF0000;"><strong>5. Final reflective activity </strong>- water market activity, asking students to reflect on the difficulty of buying and selling water in the market place. (25 minutes)</span></p></section></div><div class="pinkBg"><h4>Beginning activity</h4><p>Watch the following short video which introduces the concept of individual and market demand.</p><p style="text-align: center;"><iframe allowfullscreen="" frameborder="0" height="360" src="//www.youtube.com/embed/kUPm2tMCbGE" width="640"></iframe></p></div><div class="greenBg"><div><h4><em>Key term<strong>s:</strong></em></h4><p><strong><img alt="" src="/media/ib/economics/images/micro-economics-2/agriculture-arable-clouds-countryside-medium.jpg" style="width: 320px; height: 213px; float: right;" />Demand</strong> - the quantity of goods and services that consumers are willing and able to purchase at a given time, ceteris paribus.&nbsp;</p><p><strong>Ceteris paribus</strong> - means that all other variables remain the same.</p><p><em><strong>HL only</strong></em></p><p><strong>Income effect</strong> &ndash; the effect of a change in the price of a good or service on real incomes.&nbsp; As the price of a good or service falls, then the real income levels of consumers rise. This means that consumers will be able to purchase more good and services than they were before and quantity demanded for the product will rise.</p><p><strong>Substitution effect</strong> &ndash; the effect of a change in the price of a good or service on the relative price of the product.&nbsp; As a product falls in price then the good will be relatively cheap, compared to its substitutes and so some consumers will switch their demand to the good raising demand.</p></div></div><p>Available as class notes at:&nbsp;<a href="/media/ib/economics/files/micro-economics/demand.pdf" target="_blank" title="Student handouts"><img class="ico" src="https://assets.inthinking.net/thinkib/icons/student-handout.png" /> Demand</a></p><div class="pinkBg"><h4><img alt="" src="/media/ib/economics/images/micro-economics-2/20160207_224431(1).png(1).jpg" style="width: 275px; height: 155px; float: right;" />Activity 1</h4><p>Ask the students how many drink either Coke or Pepsi?&nbsp; Then have those students complete the following table, outlining their consumption of the drink at various prices.&nbsp; Rather than use $ as a reference point you may wish to substitute for a local currency if this is easier for students to provide a response to.</p><section class="tib-hiddenbox"><p><span style="color:#FF0000;">At the end of this exercise your students should each have drawn a table sloping down from left to right.&nbsp; Ask them to apply a line of best fit to plot the points.&nbsp; Students may substitute Coke / Pepsi with another product of their choice if they wish.&nbsp; Once they have drawn a downward sloping demand curve you can lead a short discussion on the reasons for the shape of the curve.</span></p></section></div><div class="pinkBg"><h4><img alt="" src="/media/ib/economics/images/micro-economics/demand-movements-diagram.jpg" style="width: 300px; height: 300px; float: left;" /><strong>Activity 2</strong></h4><p>(a) The diagram to the right illustrates a demand curve for a normal good or service.&nbsp; Explain why the demand curve slopes downwards from left to right.</p><section class="tib-hiddenbox"><p><span style="color:#FF0000;">There is an inverse relationship between price and quantity demanded, because of the <em>substitution</em> and <em>income</em> effect.</span></p></section><p>(b) Why does the demand for a product require consumers to be willing and able to purchase them at each given price?</p><section class="tib-hiddenbox"><p><span style="color:#FF0000;">Because both are required for a transaction to take place.&nbsp; A consumer, for example, may be willing to purchase a brand new Ferrari for $ 100,000 but are they able to do so - as they may not have the required funds.</span></p></section></div><div class="pinkBg"><h4><img alt="" src="/media/ib/economics/images/micro-economics/dsc01098-565x377.jpg" style="width: 300px; height: 200px; float: right;" title="image:jumbopixels.com" /><strong>Activity 3: Connection with TOK </strong></h4><p>What are the implications of the assumption of ceteris paribus? Do other areas of knowledge make a similar assumption?</p><p>To what extent is it true to say that a demand curve is a fictional entity?</p><p>What assumptions underlie the law of demand? Are these assumptions likely to be true? Does it matter if these assumptions are actually false?</p></div><div class="pinkBg"><h4><strong>Activity 4</strong></h4><p>Describe the relationship between the following variables:</p><ul><li>the time of the year and demand for sun cream and beach wear?</li><li>the income levels in a nation and demand for electronic and technology products?</li><li>the income levels in an economy and the demand for basic necessities such as bread and rice?</li><li>the demand for sports equipment and the price of pay per view sports channels</li><li>the demand for second hand cars and the price of new cars.</li></ul><section class="tib-hiddenbox"><p><strong>Hint:</strong></p><p><span style="color:#FF0000;">An extensive knowledge of elasticity theory is not required at this point but students should understand the relationship between variables.</span></p></section></div><div class="greenBg"><div><h4>5. Link to the assessment</h4><p>There are a number of paper one questions on the concept of demand.&nbsp; In many cases the response requires students to discuss or describe the determinants of demand.&nbsp;</p><p>It is important to note that <strong>price</strong> is <u>not</u> a determinate of demand, because the definition of demand is of course the quantity of goods and services that consumers are willing and able to purchase in a given time, <u>at a given price</u>.&nbsp; Instead determinants include income levels, the popularity of the product and the availability and popularity / price of available substitutes and complimentary goods and services.</p></div></div><div class="pinkBg"><h4><strong>6. Final reflective activity</strong></h4><p>Provide half of your students with four bottles of water (each), who will become the suppliers.&nbsp; The other half of the class will each be <img alt="" height="250" src="/media/ib/economics/images/micro-economics-2/waterbottle.jpg" style="float: left;" title="image: http://www.chicagonow.com" width="283" />given four $1 bills and these students will become the buyers.</p><p><em>The rules of the water market are as follows:</em></p><p>Students selling the water may charge whatever price they wish and students purchasing the water may shop around to obtain the best price.&nbsp; They will have 10 minutes to buy and sell water and may buy or sell as much as they wish.</p><p>Once the activity is complete students should open up their journals and write &quot;Supply and Demand&quot; in the centre, before answering the following questions:</p><p>1. How many bottles of water do they currently have?</p><p>2. How much money do they have left?</p><p>3. What was difficult about buying or selling?</p><p>Explain your answer.</p></div><p>The activities on this page link to the following textbook page: <a href="economics/page/32533/unit-21-demand-theory" title="Textbook » Unit 2.1 Demand theory">Unit 2.1 Demand theory</a>&nbsp;</p><script>document.querySelectorAll('.tib-teacher-only').forEach(e => e.remove());</script>
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