from trade under Bertrand and Cournot oligopoly. Firms differentiate their products to mitigate competition, but only if … and results in a greater difference between products under Bertrand than Cournot competition. In our model, trade in … homogeneous products never takes place under Bertrand competition: Bertrand firms export only if they differentiate their products …

expectations of future profits which, in turn, depend on the nature of competition within the market. In this paper we estimate a … by potential entrants, fixed costs faced by incumbent producers, and the toughness of short-run price competition are all … as if the firm operated in a duopoly …

that specific knowledge-enhancing investments can have very high returns, and that the threat of competition provides …

monopolistic competition. The multinational enterprises invest in R&D in order to expand the span of their products and in foreign …

Bertrand or Cournot competition. Optimal policies are asymmetric across the two producing countries. Under Bertrand competition … to reduce the quality of its already high quality exports. Under Cournot competition, the results are reversed with a tax …

Japanese and US firms in their markets. The duopoly model is used to determine export prices and volumes in response to the …

New Keynesian models of price setting under monopolistic competition involve two kinds of inefficiency: the price level … asymmetric. Implications for the welfare cost of fluctuations also differ from the standard monopolistic competition case …