Atomic Leontievian Walrasian traders are always Cournotian

Francesca Busetto, Giulio Codognato and Ludovic Julien ()

Economics Letters, 2021, vol. 207, issue C

Abstract: We consider a bilateral oligopoly version of the Shapley window model with large traders, represented as atoms, and small traders, represented by an atomless part. For this model, we show that, when atoms have Leontievian utility functions, any Walras allocation is a Cournot–Nash allocation. This result, together with the main theorem proved in Busetto et al. (2020), implies the equivalence between the set of Cournot–Nash allocations and the set of Walras allocations.

Keywords: Cournot–Nash equilibrium; Walras equilibrium; Leontievian preferences (search for similar items in EconPapers)
JEL-codes: C72 D43 D51 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecolet:v:207:y:2021:i:c:s0165176521003207

DOI: 10.1016/j.econlet.2021.110043

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