and countries. Firms' export decisions depend on a combination of firm “productivity” and firm-product-country “consumer … tastes,' both of which are stochastic and unknown prior to the payment of a sunk cost of entry. Higher-productivity firms … export a wider range of products to a larger set of countries than lower-productivity firms. Trade liberalization induces …

relationship is concentrated among establishments with low initial levels of labor productivity, capital intensity and skill …

liberalization. Firm productivity in a given product is modeled as a combination of firm-level "ability" and 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 within and …

liberalization. Firm productivity in a given product is modeled as a combination of firm-level "ability" and firmproduct- level …-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 within and …

liberalization. Firm productivity in a given product is modeled as a combination of firm-level “ability” and firmproduct- level …-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 within and …

this approach for studying trade agreements and apply it to two US trade liberalizations, with China and Canada. We find …

declines the most experience more severe employment losses along with larger increases in the value of imports from China and … the number of firms engaged in China-U.S. trade. These results are robust to other potential explanations of the …