We find that returns to occupational tenure are substantial. Everything else being constant, 5 years of occupational tenure are associated with an increase in wages of 12%-20%. Moreover, when occupational experience is taken into account, tenure with an industry or employer has relatively little...

We document and analyze the high level and the substantial increase in worker mobility in the United States over the 1968-97 period at various levels of occupational and industry aggregation. This is important in light of the recent findings that human capital of workers is largely occupation-...

In this article, we study the welfare effects of unfunded social security in a general equilibrium model populated with overlapping generations of altruistic individuals that differ in lifetime expectancy and earnings ability. Contrary to previous research, our results indicate that steady-state...

We develop a quantitative theory of fertility and labor market participation decisions in order to investigate the role of labor market frictions in generating the observed positive association between fertility and employment among O.E.C.D. countries. We find that unemployment induces females...