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On the dynamic stability of a price dispersion model using gradient dynamics

Jean Paul Rabanal () and Dongwook Lee

Journal of Economic Dynamics and Control, 2017, vol. 84, issue C, 32-42

Abstract: This paper studies the evolutionary stability of a unique Nash equilibrium in a price dispersion model (Burdett and Judd, 1983) using gradient dynamics. The numerical solution to the partial differential equation that governs the evolution of prices shows that the stationary equilibrium is not a Nash Equilibrium and that it differs from the cyclical behavior predicted by another family of dynamics, such as replicator and logit, in a continuous action space.

Keywords: Population games; Evolutionary dynamics; Gradient dynamics; Price dispersion (search for similar items in EconPapers)
JEL-codes: C72 C73 L11 (search for similar items in EconPapers)
Date: 2017
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Journal of Economic Dynamics and Control is currently edited by J. Bullard, C. Chiarella, H. Dawid, C. H. Hommes, P. Klein and C. Otrok

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