This paper uses a multi-sector version of the Ricardo-Viner model of international trade to quantify empirically the effects of technological changes, international trade, changes in the sectoral composition of the economy, and other factors on the US wage premium. The main finding of the paper...

This paper documents the allocation of skills across cities and estimates the impact of agglomeration on the hedonic prices of worker skills. We find that large cities are more skilled than are small cities, but only to a modest degree. We also show that the increase in productivity associated...