This paper examines if international trade can reduce total welfare in an international oligopoly with differentiated goods. We show that welfare is a U-shaped function in the transport cost as long as trade occurs in equilibrium. With a Cournot duopoly trade can reduce welfare compared to...

This paper examines the relation between prices in conventional stores and on the Internet. Main results from the theoretical analysis are i) we expect a discrete fall in prices in conventional stores as the share of the population with access to Internet reaches a critical level, ii) the...

Does the common currency promote goods market integration within the EMU? We argue that such an effect is likely, but that the mechanism typically proposed lover costs of arbitrage because of increased price transparency is likely to be of minor importance. Instead we sketch a duopoly model...