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Title:Imitators and optimizers in Cournot oligopoly PDF Logo
Authors:Schipper, Burkhard C.
Issue Date:2005
Series/Report no.:Working papers // University of California, Department of Economics 05,37
Abstract:We analyze a symmetric n-firm Cournot oligopoly with a heterogeneous population of optimizers and imitators. Imitators mimic the output decision of the most successful firms of the previous round a la Vega-Redondo (1997). Optimizers play a myopic best response to the opponents' previous output. Firms are allowed to make mistakes and deviate from their decision rules with a small probability. Applying stochastic stability analysis, we find that the long run distribution converges to a recurrent set of states in which imitators are better off than are optimizers. This finding appears to be robust even when optimizers are more sophisticated. It suggests that imitators drive optimizers out of the market contradicting a fundamental conjecture by Friedman (1953).
JEL:C72
D21
D43
L13
Document Type:Working Paper
Appears in Collections:Working Papers, Department of Economics, UC Davis

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