Gottardi, Piero; Kubler, Felix - Dipartimento di Economia, Università Ca' Foscari Venezia - 2006
In this paper we identify conditions under which the introduction of a pay-as-you-go social security system is ex-ante Pareto-improving in a stochastic overlapping generations economy with capital accumulation and land. We argue that these conditions are consistent with many calibrations of the...