It is increasingly evident that the direction of technological change responds to economic incentives. We review the literature on directed technical change in the context of environmental economics and labor economics, and we show that these fields have much in common both theoretically and...

This paper develops a dynamic Heckscher Ohlin Samuelson model with sector-specific human capital and overlapping generations to characterize the dynamics and welfare implications of gradual labor market adjustment to trade. Our model is tractable enough to yield sharp analytic results, that...

We construct an endogenous growth model with automation and horizontal innovation in an economy with low- and high-skill workers. Automation enables the replacement of low-skill workers with machines, increasing the skill premium and possibly decreasing low-skill wages. Horizontal innovation...