increasing in firm productivity while the number of produced products that are exported is weakly increasing in firm productivity … the relationships between firm productivity and the numbers of exported products observed in the data, several demand and …

This paper studies the relationship between firm markups and importing intermediate inputs and exporting using detailed …-year-level productivity and markup estimates. We find that importing intermediate inputs is associated with large markup premium, while the … theoretical framework, where firms lower their markup when exporting to more competitive foreign markets and where importing …

multi-country sourcing model in which heterogeneous firms self-select into importing based on their productivity and country … imports, as well as those countries' characteristics. In contrast to canonical models of exporting in which firm profits are … additively separable across exporting markets, we show that global sourcing decisions naturally interact through the firm's cost …

non-exporting firms but decreases with firm productivity for exporting firms. The fact that exporting firms incur trade … between firm productivity and trade liberalization as key determinants of firm-level job destruction due to trade. We find … the Melitz (2003) heterogeneous firms theory – the number of trade-induced layoffs increases with firm productivity for …