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Perfect Competition, Imperfectly Competitive Markets and Monopoly

Creative destruction and the competitive market process

  • 6 things to know
  • Papers 1 and 3

Overview

Schumpeter's account of how new entrants displace incumbents, and why dominance is rarely permanent.

What you need to know

Answer each one before you reveal it.

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Key term

How do firms compete on service quality and product features rather than price?

Evaluation

Does vigorous competition between large firms remove the problem of market power?

Numbers

What is marginal cost, and why are monopoly positions rarely permanent?

Numbers

What is marginal revenue, and why is creative destruction fundamental to a market economy?

Numbers

What is the formula for calculating marginal cost?

Numbers

What is the formula for calculating marginal revenue?

Questions from this subtopic

Each one with the model answer underneath.

  1. 1

    What is creative destruction?

    Model answer

    Creative destruction is the process by which new firms enter markets and innovate to overcome existing barriers to entry, displacing incumbent firms with monopoly power.

  2. 2

    How do new entrants attempt to overcome barriers to entry when challenging incumbent monopolists?

    Model answer

    Entrants innovate to overcome barriers, developing new technologies, products, or business models that circumvent existing advantages held by incumbents.

  3. 3

    How does the existence of monopoly power create conditions that attract new entrants to a market?

    Model answer

    Firms with monopoly power earn supernormal profits, which signal profitable opportunities to potential entrants.

  4. 4

    What do large profits earned by incumbent firms signal to potential market entrants?

    Model answer

    Large profits signal an opportunity for potential entrants to capture some of those profits by entering the market.

  5. 5

    Why is creative destruction considered a fundamental feature of how competition operates in a market economy?

    Model answer

    Creative destruction ensures that market power is continually challenged by entrepreneurial activity, preventing permanent dominance by any single firm.

  6. 6

    Why are monopoly positions not necessarily permanent in a market economy?

    Model answer

    Innovation through creative destruction can erode barriers to entry over time, allowing new competitors to challenge and displace incumbent monopolists.

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