Imperfect Substitutes and Strategic Trade Policies Under Cournot Duopoly: Mathematical Note

Seiichi Katayama and Hiroshi Ohta
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Seiichi Katayama: Kobe University
Hiroshi Ohta: Kobe University

Kobe Economic & Business Review, 2001, vol. 45, 1-13

Abstract: This is a mathematical note for our paper "Imperfect substitutes and strategic trade policies under Cournot duopoly". The main proposition of the paper is that under certain conditions an export subsidy improves the world welfare. The whole propositions are rigorously proved including the uniqueness for Cournot duopoly equilibrium solution.

Keywords: strategic trade policy; differentiated goods (search for similar items in EconPapers)
JEL-codes: F12 F13 (search for similar items in EconPapers)
Date: 2001
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