upgrading in foreign-acquired firms. We reveal substantial productivity gains within foreign-acquired firms and we show that …

where R&D efficiency varies across countries and productivity differences emerge from firm-level technology investments. The …

increases welfare via productivity improvements. In the calibrated version of the model we show that a trade-induced increase in …

productivity in the rest of the economy. To separate exogenous gains in ICT from other technological progress, we use the relative …

We study the impact of techies—engineers and other technically trained workers—on firm-level productivity. We first …-neutral productivity in both manufacturing and non-manufacturing industries. We find that techies raise firm-level productivity, and this … of techies on productivity operates mostly through ICT and other techies, not R&D workers. Engineers have a greater …

endowments and productivity, relative factor costs emerge as a source of real-income variation across countries. These are shaped … “residual” productivity required to explain the observed per-capita income differences by more than one half …

-distributed firm productivity and fixed costs of exporting, predicts that, conditional on the fixed costs of exporting, all variation … of firm productivity allows the Melitz model to successfully match the role of the intensive margin evident in the EDD … estimate a generalized Melitz model with a joint lognormal distribution for firm productivity, fixed costs and demand shifters …