We examine bargaining legislation effects on the union and management reconciliation decisions following announcement of a strike using a bivariate duration model. The durations associated with the two groups are latent, and we argue that under weak assumptions the key parameters are identified....

Since the early 1970s, industrial countries have enacted (or amended) many environmental laws and regulations to control and improve air and water quality. Developing countries are increasingly enacting similar legislation. But imposing a ceiling on a plant's emissions does not guarantee reduced...

This paper considers nonparametric identification of ``latent'' competing risks and Roy duration models in which one does not know which process has been observed. It is shown that these models are identifiable without the usual conditional independence and exclusion restrictions