identify specific barriers to exporting and to measure their importance. We develop a model of firm-level export dynamics that … response of total export sales to an exchange rate shock exceeds the 1-year response by about 40 percent, with the 1-year …

export markets. Although this mechanism is often mentioned in policy documents, a significant share of econometric studies … export entry. I estimate my model on standard firm-level data and find substantial additional productivity gains from … entering export markets …

their mode of export - either directly or indirectly through an intermediary. The model predicts that intermediaries will be …

We develop a model of international trade with export quality requirements and two dimensions of firm heterogeneity. In … empirical fact that firm size is not monotonically related with export status: there are small firms that export and large firms … heterogeneity as they imply no variation in export status after size is controlled for. We find strong support for the predictions …

foreign tariffs will induce these firms to simultaneously export and invest in productivity. In contrast, lower foreign … tariffs will induce higher-productivity firms to export without investing, as in Melitz (2003). We model this econometrically …