Investigates the dynamic welfare effects of exposure to trade in a new trade model. This book uses a new trade model to explore which country-specific conditions give rise to horizontal or vertical multinational activity. It analyzes the role of goods trade and horizontal multinational firms in...

The European Union and Japan have recently launched negotiations about a bilateral free trade agreement as means of economic stimulation, with trade as a driving force to create growth and wealth. Since customs duties are already low, the success of the liberalization process hinges on the...

This paper introduces a model of limited consumer attention into an otherwise standard new trade theory model with love-of-variety preferences and heterogeneous firms. In this setting, we show that trade liberalization needs not be welfare enhancing if the consumers' capacity to gather and...

We argue that the narrative of variety-induced gains from trade in differentiated goods needs revision. If producing differentiated varieties of a good requires differentiated skills and if the work force is heterogeneous in these skills, then firms are likely to have monopsony power. We show...

We derive a simple equation for the welfare gains from trade when tariffs are liberalized or iceberg trade costs fall. Covering various one-sector trade models that may or may not feature extensive margins and imperfect competition, we generalize the analysis of Arkolakis, Costinot and...

In a free-entry Cournot oligopoly model with a quadratic utility function that yields differentiated products, it is shown that there are losses from trade when the trade cost is close to the prohibitive level. Although the total number of varieties increases, there is a reduction in consumer...