Stackelberg, Cournot and Collusive Monopoly: Performance and Welfare Comparisons

Dan Levin ()

Economic Inquiry, 1988, vol. 26, issue 2, 317-30

Abstract: This article compares and evaluates performance and welfare in three classical oligopoly models: Stackel berg leader, Cournot, and collusive monopoly. Hahn's stability condit ions render an unambiguous ranking of market price; the monopoly pric e is highest and the Stackelberg price is lowest. Welfare comparisons are less clear-cut due to additional effects coming from reallocatio n of outputs among sellers. Conditions under which these reallocation effects will enhance or offset the unambiguous price effects on welf are are discussed and examples are given. Possible implications for a ntitrust policy, regarding constraints on market share of large produ cers in noncompetitive markets, are examined. Copyright 1988 by Oxford University Press.

Date: 1988
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