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Assessment map

Unit 2.11: Theory of the firm (HL only)

This page provides a map of the various assessments included in the unit, including short answers responses, essays and areas for discussion.  I have included a section A and section B blank essay template which will help your classes prepare their paper one essay responses.

Syllabus area: Production returnsAssessment
Production in the short run: the law of diminishing returns.Activities 1 - 5, on page Production (HL only) 
Distinguish between the short run and long run in the context of production.Activity 1, video and short answer activity on page Production (HL only) 
Calculate total, average and marginal product from a set of data and/or diagrams.Activities 1 - 4, on page Production (HL only) 
Syllabus area: Economies / diseconomies of scaleAssessment
Explain the meaning of economic costs as the opportunity cost of all resources employed by the firm (including entrepreneurship).Short answer activities 1, 2 on page Economic costs / profit (HL only) 
Distinguish between explicit costs and implicit costs as the two components of economic costsShort answer activities 1,2 and 3 on page Economic costs / profit (HL only) 
Syllabus area: Production costsAssessment
Explain the distinction between the short run and the long run, with reference to fixed factors and variable factorsActivity 2, panda activity on page Costs of production (HL only) 
Distinguish between total costs, marginal costs and average costs. Draw diagrams illustrating the relationship between marginal costs and average costs and explain the connection with production in the short run.

Activity 1, 3 and 4 on page Costs of production (HL only) 

Paper three activity at: Paper 3 question on cost (HL only) 

Explain the relationship between the product curves (average product and marginal product) and the cost curves (average variable cost and marginal cost), with reference to the law of diminishing returns.Activity 5 on page Costs of production (HL only) 
Calculate total fixed costs, total variable costs, total costs, average fixed costs, average variable costs, average total costs and marginal costs from a set of data and / or diagrams.Activity 1, 3 and 4 on page Costs of production (HL only) 
Syllabus area: Long run productionAssessment
Production in the long run: returns to scale. Distinguish between increasing returns to scale, decreasing returns to scale and constant returns to scale.Short answer and reflection activities available at  Economies and diseconomies of scale (HL only) 
Syllabus area: Short run / long run costsAssessment
Explain the relationship between short-run average costs and long-run average costs.  Using a diagram, illustrate the reason for the shape of the long-run average total cost curve.

Activities on page: Long run average cost curves (HL only) 

Paper one type essay on the same page.

Explain factors giving rise to economies of scale, including specialization, efficiency, marketing and indivisibilities.Short answer and reflection activities available at: Economies and diseconomies of scale (HL only) 
Explain factors giving rise to diseconomies of scale, including problems of coordination and communication.Short answer and reflection activities available at  Economies and diseconomies of scale (HL only) 
Syllabus area: Revenue theoryAssessment
Distinguish between total revenue, average revenue and marginal revenue.Activities 2, 4 on Revenue theory (HL only) 
Draw diagrams illustrating the relationship between total revenue, average revenue and marginal revenue.Activity 3 on page: Revenue theory (HL only) 
Calculate total revenue, average revenue and marginal revenue from a set of data and/or diagrams.Activities 2,4 on page: Revenue theory (HL only) 
Syllabus area: Economic profitAssessment
Describe different types of profit within businesses.  Recognise that economic profit (abnormal profit) is the case where total revenue exceeds economic cost.Short answer activities on page Economic profit (HL only) 
Explain the concept of normal profit (zero economic profit) as the amount of revenue needed to cover the costs of employing self-owned resources (implicit costs, including entrepreneurship) or the amount of revenue needed to just keep the firm in business.

Revision activity: Unit 2.12: Costs, revenue and profit review sheet 

Explain why a firm will continue to operate even when it earns zero economic profit (abnormal profit).Paper one exam question, activity 5 on page Economic profit (HL only) 
Explain the meaning of loss as negative economic profit arising when total revenue is less than total cost.

Revision activity: Unit 2.12: Costs, revenue and profit review sheet 

Activities on page: Economic costs / profit (HL only) 

Calculate different profit levels from a set of data and/or diagrams.Activity 1 and 2 on page Economic profit (HL only) 
Syllabus area: Shut down and break even pointAssessment
Shut-down price and break-even price.  Distinguish between the two concepts and explain, using a diagram, when a loss-making firm would shut down in the short run.Activities 1 and 2 on page: Breakeven and shut down point (HL only) 
Explain, using a diagram, when a loss-making firm would shut down and exit the market in the long run.Short answer activities on page: Breakeven and shut down point (HL only) 
Calculate the short run shutdown price and the breakeven price from a set of data.Short answer activities on page: Breakeven and shut down point (HL only) 
Syllabus area: Goals of businessAssessment
Profit maximisation: Explain the goal of profit maximisation where the difference between total revenue and total cost is maximised or where marginal revenue equals marginal cost.

Short answer activities on page: Motives of business (HL only)

Paper three questions on costs, on page: Paper 3 question on cost (HL only) 

Explain alternative goals of firms, including revenue maximisation, growth maximisation, satisficing and corporate social responsibility.Paper one style examination question on page: Motives of business (HL only)
Syllabus area: Perfect competitionAssessment
Describe, using examples, the assumed characteristics of perfect competition.Activity 1 on page: Perfect competition (HL only) 
Explain, using a diagram, the shape of the perfectly competitive firm’s average revenue and marginal revenue curves, indicating that the assumptions of perfect competition imply that each firm is a price taker.Activity 5 on page: Perfect competition (HL only) 
Explain, using a diagram, that the perfectly competitive firm’s average revenue and marginal revenue curves are derived from market equilibrium for the industry.Activity 6, paper one style question on page: Perfect competition (HL only) 
Profit maximisation in the short run.Activity 3 on page: Profit in perfect competition (HL only) 
Normal profit in the long run: Explain, using a diagram, why, in the long run, a perfectly competitive firm will make normal profit (zero economic profit).  Explain, using a diagram, how a perfectly competitive market will move from short run equilibrium to long-run equilibrium.Activities 1 - 3 and the paper one style question (activity 4) on page: Profit in perfect competition (HL only) 
Syllabus area: EfficiencyAssessment
Explain the meaning of the term allocative efficiency.  Explain that the condition for allocative efficiency is P = MC (or, with externalities, MSB = MSC).Activity 1 and 2 on page: Efficiency in perfect competition (HL only) 
Explain, using a diagram, why a perfectly competitive market leads to allocative efficiency in both the short run and the long run.Activity 4 on page: Efficiency in perfect competition (HL only) 
Explain the meaning of the term productive/technical efficiency.  Explain that the condition for productive efficiency is that production takes place at minimum average total cost.Activities 2 - 4 plus the paper one style question on page: Efficiency in perfect competition (HL only) 
Explain, using a diagram, why a perfectly competitive firm will be productively efficient in the long run, though not necessarily in the short run.Activities 4 plus the paper one style question on page: Efficiency in perfect competition (HL only) 
Syllabus area: MonopolyAssessment
Describe, using examples, the assumed characteristics of a monopoly: a single or dominant firm in the market; no close substitutes; significant barriers to entry.Activity 1 on page: Monopoly (HL only) 
Explain the relationship between demand, average revenue and marginal revenue in a monopoly.  Why a monopolist will never choose to operate on the inelastic portion of its average revenue curve.Activity 3 on page: Monopoly (HL only) 
Explain, using a diagram, the short- and long-run equilibrium output and pricing decision of a profit maximising (loss minimising) monopolist, identifying the firm’s economic profit (abnormal profit), or losses.Activity 3,4 on page: Monopoly (HL only) 
Examine the role of barriers to entry in permitting the firm to earn economic profit (abnormal profit).Activity 4, paper one style examination question on page: Profit and revenue maximisation in monopoly (HL only) 
Explain, using a diagram, the output and pricing decision of a revenue maximising monopoly firm.  Compare and contrast, using a diagram, the equilibrium positions of a profit maximising monopoly firm and a revenue maximising monopoly firm.Activity 1, 2 on page: Profit and revenue maximisation in monopoly (HL only) 
Calculate from a set of data and/or diagrams the revenue maximising level of output.Activity 2 on page: Profit and revenue maximisation in monopoly (HL only) 
Natural monopoly: Explain the meaning of the term “natural monopoly” and illustrate this on a diagram.Activity 6 on page: Monopoly (HL only) 
Monopoly and efficiency: To what extent are monopolies efficient? Evaluate reasons why, despite inefficiencies, a monopoly may be considered desirable?Activity 1 - 3 on page: A comparison of monopoly and perfect competition? (HL only) 
Policies to regulate monopoly power.

Activity 7, paper one style question on page: Monopoly (HL only) 

Facebook activity, on page: A comparison of monopoly and perfect competition? (HL only) 

Use diagrams to explain the advantages and disadvantages of monopoly compared with perfect competition.

Activity 1 - 3 on page: A comparison of monopoly and perfect competition? (HL only) 

Activity 6, paper one style examination question on page: A comparison of monopoly and perfect competition? (HL only) 

Syllabus area: Monopolistic competitionAssessment
Assumptions of the model and the revenue and cost curves in monopolistic competition.Activity 1, 2 on page: Monopolistic competition (HL only) 
Use diagrams to explain why in the long run a firm in monopolistic competition will make normal profit.Activity 6 on page: Monopolistic competition (HL only) 
Distinguish, using examples, the difference between price competition and non-price competition.Activity 4 on page: Monopolistic competition (HL only) 
Monopolistic competition and efficiency: Explain, using a diagram, why neither allocative efficiency nor productive efficiency are achieved by monopolistically competitive firms.Activity 7, paper one style examination questions on page: Monopolistic competition (HL only) 
Compare and contrast monopolistic competition with perfect competition and monopolistic competition with monopoly.Activity 5 on page: Monopolistic competition (HL only) 
Syllabus area: OligopolyAssessment
Describe, using diagrams, the assumed characteristics of an oligopoly.Activity 3 plus activity 6, paper one style question on page: Oligopoly (HL only) 
Explain how game theory (the simple prisoner’s dilemma) can illustrate strategic interdependence and the options available to oligopolies.Activities 3,4 on page: Game theory (HL only) 
Explain and provide examples of the terms “collusion” and “cartel”.Paper one style question on page: Game theory (HL only) 
Explain the incentive of cartel members to cheat.  Examine the conditions that make cartel structures difficult to maintain.Activity 4 on page: Game theory (HL only) 
Explain the term “tacit collusion”, including reference to price leadership by a dominant firm.Activity 3 on page: Game theory (HL only) 
Non-collusive oligopoly: Explain, using diagrams, that the behaviour of firms in a non-collusive oligopoly is strategic in order to take account of possible actions by rivals.  Explain why non-price competition is common in oligopolistic markets, with reference to the risk of price wars.Activities 3,5 on page: Oligopoly (HL only) 

Blank essay template available at:  Section A essay template

Section B essay template