Product-market integration with endogenous firm heterogeneity

Ivan Ledezma

Oxford Economic Papers, 2021, vol. 73, issue 3, 1345-1368

Abstract: This paper proposes a general equilibrium oligopoly model in which firm heterogeneity is endogenously reproduced through technology adoption decisions. The model can explain persistent oligopolistic market structures and prices in spite of free entry and market enlargement. Moreover, strong selection might deteriorate average cost efficiency due to strategic interactions. Integrating identical countries can be welfare-improving. But distributional issues and tensions between welfare and scale economies may arise. The theory can be motivated by recent evidence on oligopolistic market structures resisting globalization forces.

JEL-codes: D5 F1 L1 (search for similar items in EconPapers)
Date: 2021
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