matching frictions in gravity. In the cross section, we find matching frictions as important as iceberg costs in impeding trade … increase in French exports to the new members. While workers benefitted overall, those competing most directly with imports …

equilibrium model of international trade. Both the quality and the quantity of a product play a role in its contribution both to … consumption and to production. The framework allows bilateral trade to vary at the extensive and intensive margins and the … intensive margin of trade to vary at the quantity and unit-value margins. We estimate the parameters of the model using …

data on bilateral trade in manufactures among 92 countries and to firm-level export data for a much narrower sample shows …A recent literature has introduced heterogeneous firms into models of international trade. This literature has adopted … not hold in the data. We show how a standard heterogeneous-firm trade model can be amended to allow for only an integer …

identify specific barriers to exporting and to measure their importance. We develop a model of firm-level export dynamics that … customs records of U.S. imports of manufactures from Colombia we replicate patterns of exporter maturation. A potentially … response of total export sales to an exchange rate shock exceeds the 1-year response by about 40 percent, with the 1-year …

Using transactions-level customs data from Colombia, we study firm-specific export patterns over the period 1996 … previous year. These new exporters tend to be extremely small in terms of their overall contribution to export revenues, and … most do not continue exporting in the following year. Hence export sales are dominated by a small number of very large and …

manufacturers: (1) Firms differ substantially in export participation, with most selling only at home; (2) The number of firms … of 16 industries we find little variation in these patterns. We propose that any successful model of trade and market …

We develop a simple model of the choice between exploiting a technology in another country via export and via direct …

unions to estimate the effect of currency unions on trade using (then-) conventional gravity models. In this paper, we use a … variety of empirical gravity models to estimate the currency union effect on trade and exports, using recent data which … a smaller trade effect than other currency unions; it has a mildly stimulating effect at best. Third and most …