In most industrial countries, while the calculation of pension bene?ts is progressive, public pension systems redistribute weakly from high to low- income earners. They are close to actuarial fairness. This statement results from the following speci?city: less paid jobs are also heavier and...

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...