competition from demand shocks in export markets – and the induced product mix reallocations – induce productivity changes within … the firm. We then empirically test for this connection between the demand shocks and the productivity of multi …-product firms exporting to those destinations. We find that the effect of those demand shocks on productivity is substantial – and …

liberalization. Firm productivity in a given product is modeled as a combination of firm-level quot;abilityquot; and firm … firm-level ability raises a firm's productivity across all products, which induces a positive correlation between a firm …'s intensive (output per product) and extensive (number of products) margins. Trade liberalization fosters productivity growth …

I develop a new theory of marketing costs and introduce it into a model of trade with product differentiation and firm … productivity heterogeneity. In this model, a firm enters a market if it makes profits by reaching a single consumer there and pays …

This paper analyzes the welfare implications of international spillovers related to productivity gains, changes in …-equilibrium model with monopolistic competition, drawing a distinction between productivity gains that enhance manufacturing efficiency …

preference or more generally a demand shock. More recently two other explanations have been advocated: surprise changes in …

We study the effect of releasing public information about productivity or monetary shocks when agents learn from …

markets. This approach explains a variety of features exhibited in disaggregated trade data, including the higher productivity … industry and firm productivity …