We ask whether incorporating product quality differentiation has real effects on trade flows and welfare. We develop and calibrate a multi-country, general equilibrium model of international trade that includes endogenous product quality differentiation amongst heterogeneous firms. Separable...

We develop a methodology for estimating the "tradability'' of goods and services using data on U.S. establishments. Our results show that the average service industry is less tradable than the average manufacturing industry. However, there is considerable within-sector variation in estimated...

We develop a methodology for estimating the “tradability” of goods and services using data on U.S. establishments. Our results show that the average service industry is less tradable than the average manufacturing industry. However, there is considerable within-sector variation in estimated...

I develop and implement a methodology for obtaining plant-level estimates of product quality from revenue and physical output data. Intuitively, firms that sell large quantities of output conditional on price are classified as high quality producers. I use this method to decompose cross-plant...