Recent growth papers have utilized the Ben-Porath 1967 mechanism according to which prolonging the period in which individuals may receive returns on their investment spurs investment in human capital and cause growth. Implicitly, one implication of these models is that total labor input over...

In a stochastic economy with overlapping generations, fiscal policy affects the allocation of aggregate risks. The paper shows how to compute the welfare effects of marginal policy changes that shift risk across cohorts, in general and for an application to social security equity investments. I...