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Natural Selection, Irrationality and Monopolistic Competition

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  • Luo, Guo Ying

Abstract

This paper builds an evolutionary model of an industry where firms produce differentiated products. Firms have different average cost functions and different demand functions. Firms are assumed to be totally irrational in the sense that firms enter the industry regardless of the existence of profits; firms' outputs are randomly determined rather than generated from profit maximization problems; and firms exit the industry if their wealth is negative. It shows that without purposive profit maximization assumption, monopolistic competition still evolves in the long run. The only long run survivors are those that possess the most efficient technology, face the most favorable market conditions and produce at their profit maximizing outputs. This paper modifies and supports the classic argument for the derivation of monopolistic competition.

Suggested Citation

  • Luo, Guo Ying, 2009. "Natural Selection, Irrationality and Monopolistic Competition," MPRA Paper 15357, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:15357
    as

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    File URL: https://mpra.ub.uni-muenchen.de/15357/1/MPRA_paper_15357.pdf
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    References listed on IDEAS

    as
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    Full references (including those not matched with items on IDEAS)

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    More about this item

    Keywords

    Evolution; Natural Selection; Irrationality; Monopolistic Competition; Survival of the Fittest; Market Rationality;
    All these keywords.

    JEL classification:

    • D21 - Microeconomics - - Production and Organizations - - - Firm Behavior: Theory
    • L11 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Production, Pricing, and Market Structure; Size Distribution of Firms
    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection

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