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Risk and Evolution

  • Ted To

    (Dept. of Economics, University of St. Andrews, Scotland)

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I examine a Knightian model of entrepreneurial risk and investment where in addition to the self-selection process for choosing entrepreneurs, there is an evolutionary selection process over the representation of various risk attitudes. Under a standard evolutionary dynamic, rather than converging to a population of risk-neutrals (fitness maximizers), the population converges to a stationary distribution where both risk- averse and risk-loving types are represented and where only the risk- loving types invest. Many types are represented in stationary population distributions because an evolutionary market environment protects and encourages diversity with different types specializing in different activities and in the steady state each type earns, on average, the same objective payoff.

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Paper provided by EconWPA in its series Microeconomics with number 9511003.

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Length: 32 pages
Date of creation: 16 Nov 1995
Date of revision:
Handle: RePEc:wpa:wuwpmi:9511003
Note: Type of Document - Tex DVI file; prepared on emTeX; to print on any; pages: 32 ; figures: included
Contact details of provider: Web page: http://econwpa.repec.org

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  1. Ed Hopkins, 1995. "Learning, Matching and Aggregation," Game Theory and Information 9512001, EconWPA.
  2. Fudenberg, Drew & Tirole, Jean, 1984. "The Fat-Cat Effect, the Puppy-Dog Ploy, and the Lean and Hungry Look," American Economic Review, American Economic Association, vol. 74(2), pages 361-66, May.
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