A duration model based on the time on Unemployment Insurance (UI) benefits instead of amodel based on the time till re-employment is more relevant from a cost-benefit perspective.The contribution of this paper is to extend the standard (mixed) Proportional Hazard model toaccount for an upper...

"Increases in international economic integration can lead to greater specialization according to comparative advantage, but also to the diffusion of skill-biased technologies. In developing countries characterized by relative abundance of unskilled labor, these factors can have opposite effects...

"The empirical evidence on whether participation in export markets increases plant-level productivity has been inconclusive so far. The authors explain this inconclusiveness by drawing on Arrow's (1962) characterization of learning-by-doing, which suggests focusing on young plants and using...