In many economies, studies have found large wage differentials not accounted for by workforce characteristics, collective bargaining, or market power. Researchers attribute these differentials to either unobserved worker quality or pay incentives designed to elicit worker effort. This article...

Widespread empirical evidence indicates that exporting producers have higher productivity than nonexporters, although the reasons why are unclear. Some analysts argue that exporters acquire knowledge of new production methods, inputs, and product designs from their international contacts, and...