Entry And Competition In Concentrated Markets
AbstractThis paper proposes an empirical framework for measuring the effects of entry in concentrated markets. Building on models of entry in atomistically competitive markets, the authors show how the number of producers in an oligopolistic market varies with changes in demand and market competition. These analytical results structure the authors' empirical analysis of competition in five retail and professional industries. Using data on geographically isolated monopolies, duopolies, and oligopolies, they study the relationship between the number of firms in a market, market size, and competition. The authors' empirical results suggest that competitive conduct changes quickly as the number of incumbents increases. Copyright 1991 by University of Chicago Press.
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Bibliographic InfoPaper provided by Stanford - Studies in Industry Economics in its series Papers with number 151.
Length: 27 pages
Date of creation: 1989
Date of revision:
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Postal: STANFORD UNIVERSITY, STUDIES IN INDUSTRY ECONOMICS, DEPARTMENT OF ECONOMICS, STANFORD CALIFORNIA 94305 U.S.A.
Web page: http://www-econ.stanford.edu/
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economic models ; oligopolies ; competition;
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