This paper corrects a shortcoming in the literature on computable general equilibrium models and imperfect competition with free entry and increasing returns to scale. The trade integration simulations applied to the US suggest that the shortcoming is quantitatively insignificant if key...

By employing a model with international trade costs and imperfect competition, in which a domestic firm serves both the domestic market and the foreign market, we show that intraindustry trade compared to intersectoral trade is globally, but not mutually, welfare improving. When also foreign...