Firms that export or, even more so, are part of a multinational enterprise tend to exhibit higher productivity than their purely domestic counterparts. To better understand this correlation, we incorporate the perspective of industrial organization that one of the main drivers of differences in...

Many economists studying America's wage divergence in the 1980's have concluded that its primary cause was a within-industry shift in relative labor demand toward the more-skilled. Following the modeling framework and empirical methods developed in Slaughter (1993), in this paper I try to...