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Table of Contents

  1. Topic pack - Microeconomics - introduction
  2. 1.1 Competitive Markets: Demand and Supply
  3. 1.1 Competitive Markets: Demand and Supply - notes
  4. 1.1 Competitive markets - questions
  5. 1.1 Competitive markets - simulations and activities
  6. 1.2 Elasticities
  7. 1.2 Elasticities - notes
  8. Section 1.2 Elasticities - questions
  9. Section 1.2 Elasticities - simulations and activities
  10. 1.3 Government intervention
  11. 1.3 Government Intervention - notes
  12. 1.3 Government intervention - questions
  13. 1.3 Government intervention - simulations and activities
  14. 1.4 Market failure
  15. 1.4 Market failure - notes
  16. Section 1.4 Market failure - questions
  17. Section 1.4 Market failure - simulations and activities
  18. 1.5 Theory of the firm
  19. 1.5 Theory of the firm - notes (HL only)
    1. Cost theory
    2. Calculating costs
    3. Short-run
    4. Long-run
    5. Internal economies of scale
    6. External economies of scale
    7. Diseconomies of scale
    8. Long run cost curves
    9. The very long run
    10. Revenues
    11. Revenues - notes
    12. Profit
    13. Profit - notes
    14. Combining revenue and cost curves
    15. Profit maximisation - price taker
    16. Profit maximisation - price setter
    17. Alternative aims of firms
    18. Profit, sales and revenue maximisation
    19. Perfect competition
    20. Perfect competition - notes
    21. Short-run to long-run - profits
    22. Short-run to long-run - losses
    23. Shut down price, break-even price
    24. Efficient allocation of resources
    25. Monopoly and oligopoly
    26. Monopoly and oligopoly - introduction
    27. Growth and power
    28. The model of monopoly
    29. Monopoly - profit maximisation
    30. Monopoly equilibrium
    31. Monopoly v. perfect competition
    32. Economic efficiency in perfect competition
    33. Economic efficiency in perfect competition and monopoly
    34. Efficiency and market structure
    35. Monopolistic competition
    36. Monopolistic competition - notes
    37. Monopolistic competition in the short-run
    38. Monopolistic competition in the long run
    39. Oligopoly
    40. Oligopoly - notes
    41. Advertising and branding
    42. Product innovation
    43. Theories of oligopoly - non-collusive
    44. The kinked demand curve theory
    45. Kinked demand curve - change in cost
    46. Cut-price competition (predatory pricing)
    47. Theories of oligopoly - collusive
    48. Forms of collusion
    49. Price discrimination
    50. Equilibrium of the discriminating monopolist
  20. Section 1.5 Theory of the firm - questions
  21. Section 1.5 Theory of the firm - simulations and activities
  22. Print View

Monopolistic competition

By the end of this section you should be able to:

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  • Describe, using examples, the assumed characteristics of a monopolistic competition: a large number of firms; differentiated products; absence of barriers to entry and exit.
  • Explain that product differentiation leads to a small degree of monopoly power and therefore to a negatively sloping demand curve for the product.
  • Explain, using a diagram, the short-run equilibrium output and pricing decisions of a profit maximizing (loss minimizing) firm in monopolistic competition, identifying the firm's economic profit (or loss).
  • Explain, using diagrams, why in the long run a firm in monopolistic competition will make normal profit.
  • Distinguish between price competition and non-price competition.
  • Describe examples of non-price competition, including advertising, packaging, product development and quality of service.
  • Explain, using a diagram, why neither allocative efficiency nor productive efficiency are achieved by monopolistically competitive firms.
  • Compare and contrast, using diagrams, monopolistic competition with perfect competition, and monopolistic competition with monopoly, with reference to factors including short run, long run, market power, allocative and productive efficiency, number of producers, economies of scale, ease of entry and exit, size of firms and product differentiation.