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One smart agent

Sutton, John (1995) One smart agent. Economics of Industry; EI 08, EI/8. Suntory and Toyota International Centres for Economics and Related Disciplines, London School of Economics and Political Science, London, UK.

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Abstract

This paper proposes an equilibrium concept for a class of games in which players make irreversible costly decisions; these games have been widely used in the recent I.O. literature. The equilibrium concept is defined, not in the space of strategies, but in the space of (observable) outcomes. It is weaker than perfect Nash equilibrium, and involves combining a form of 'survivor principle' with an assumption regarding entry. This assumption involves only a very weak rationality requirement: if a profitable opportunity exists in the market, there is 'one smart agent' who will fill it. This weak equilibrium concept is sufficient to imply some empirically interesting regularities in the area of market structure.

Item Type: Monograph (Discussion Paper)
Official URL: http://sticerd.lse.ac.uk
Additional Information: © 1995 John Sutton
Library of Congress subject classification: H Social Sciences > HB Economic Theory
Sets: Collections > Economists Online
Departments > Economics
Research centres and groups > Suntory and Toyota International Centres for Economics and Related Disciplines (STICERD)
Rights: http://www.lse.ac.uk/library/usingTheLibrary/academicSupport/OA/depositYourResearch.aspx
Identification Number: EI/8
Date Deposited: 27 Apr 2007
URL: http://eprints.lse.ac.uk/2053/

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