"In this paper, we construct a simple model based on heterogeneity in workers' productivity and homogeneity in their working schedules. This simple model can generate unemployment, even if wages adjust instantaneously, firms are perfectly competitive, and firms can perfectly observe workers'...

Despite economists' nearly universal support for free trade policies, the general public has serious reservations about free trade. To understand this opposition, one must understand the preferences of individuals as they relate to the policy choices of policymakers. Ideally, one would like to...

The trade liberalization associated with NAFTA has affected the pattern of state exports by altering the origin as well as the destination of merchandise exports. We find that NAFTA has increased US merchandise exports to Mexico and Canada by just over 15 percent, and has increased total US...

Two country applications of equilibrium business cycle methodology have succeeded in matching some key features of international fluctuations. However, discrepancies between theory and data remain. This paper identifies an anomaly related to a basic property of typical models: The prediction of...

This paper compares various specifications of the gravity model of trade as nested versions of a general specification that uses bilateral country-pair fixed effects to control for heterogeneity. For each specification, we show that the a theoretical restrictions to obtain them from the general...