International Trade and Cournot Equilibrium: Existence, Uniqueness and Comparative Statics

No 268387, Economic Research Papers from University of Warwick - Department of Economics

Abstract: This paper proves the existence and uniqueness of Cournot equilibrium in models of international trade under oligopoly. The existence of Cournot equilibrium is established without the usual assumption that profit functions are concave. Instead the proof uses a weaker "aggregate concavity" condition. A simple proof is used to establish the uniqueness of the equilibrium. And, the paper considers the implications of the assumptions, used to prove the existence and uniqueness of the equilibrium, on the comparative static results.

Keywords: International Relations/Trade; Research Methods/ Statistical Methods (search for similar items in EconPapers)
Pages: 21
Date: 1990-05-05
References: Add references at CitEc
Citations: View citations in EconPapers (3)

Downloads: (external link)
https://ageconsearch.umn.edu/record/268387/files/twerp352.pdf (application/pdf)
https://ageconsearch.umn.edu/record/268387/files/twerp352.pdf?subformat=pdfa (application/pdf)

Related works:
Journal Article: International Trade and Cournot Equilibrium: Existence, Uniqueness and Comparative Statics (1992)
Working Paper: INTERNATIONAL TRADE AND COURNOT EQUILIBRIUM: EXISTENCE, UNIQUENESS AND COMPARATIVE STATICS (1990)
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:ags:uwarer:268387

DOI: 10.22004/ag.econ.268387

Access Statistics for this paper

More papers in Economic Research Papers from University of Warwick - Department of Economics
Bibliographic data for series maintained by AgEcon Search ().