Social Security provides insurance against idiosyncratic income risk but exposes workers to systematic risk because benefits are indexed to the evolution of aggregate earnings. I calibrate a life-cycle model to compare workers' certainty equivalent valuation of Social Security to its net present...

This paper deals with the particular fiscal incidence induced by an unfunded pension system. That consists to understand how the financing and the calculus of pensions modify the transitory and long run macroeconomic dynamics. We develop an OLG model with endogenous labour supply in an economy...