Working Paper

Trade and Imperfect Competition in General Equilibrium

Onur A. Koska, Frank Stähler
CESifo, Munich, 2011

CESifo Working Paper No. 3543

This paper employs a general equilibrium model of imperfect competition and trade in which capital is used to establish firms and labor is used for production. We show that two different types of equilibria may exist, one with factor price equalization and one with different factor prices. When factor prices are equalized, trade improves welfare under relatively mild conditions. However, if factor prices differ, these conditions are not sufficient for mutual gains from trade.

CESifo Category
Trade Policy
Keywords: imperfect competition, international trade, general equilibrium
JEL Classification: F120, D500