This paper explores the hypothesis that changes in trading patterns and partners of US industries have contributed to skill deepening through defensive, skill-biased innovation. It draws on Thoenig and Verdier's (2003) assertion that, since skill-intensive technologies are less likely to be...

In this paper, the authors examine the political economy drivers of the variation in agricultural protection, both across countries and within countries over time. The paper starts by listing the key insights provided by both the theoretical and empirical literature on the political economy of...