This paper develops a general equilibrium model of the gender wage gap. The difference in earnings is a consequence of a demographic regularity--that men tend to marry younger women--which limits women's labor mobility. However, couples are always free not to marry, and do so only if it is in...

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...