This paper identifies NAFTA's effects on trade volumes and prices using detailed trade and tariff data. It identifies demand elasticities from the additional wedges driven between consumption patterns in NAFTA versus non-NAFTA countries caused by tariff reductions. Supply elasticities are...

The production of high-quality goods is often viewed as a precondition for export success and economic development. We provide the first evidence that countries' import tariffs affect the rate at which they upgrade product quality. Our analysis uses highly disaggregated data covering exports...

This paper estimates the agglomeration benefits that arise from vertical linkages between firms. We identify the agglomeration benefits off the spatial variation in firms' nominal wages. Using unusually detailed intermediate input data, we take account of the location of input suppliers to...