It is well-known that individuals born in different periods of time (cohorts)exhibit different wealth accumulation paths. While previous studies have usedcohort dummies to proxy for this fact, research in this area suffers from aserious identification problem, i.e., how to disentangle age, time,...

The paper addresses two related issues: the optimal intergenerational sharing of laborproductivity risks, through a Pay-As-You-Go (PAYG) social security, and the mix ofPAYG and savings for retirement provision in a small open economy. It shows that partial contingency of the social security on...

The old-age security motive for fertility postulates that people's needs for old-age support raise the demand for children. We test this widespread idea using the extension of social pensions in Namibia during the nineties. The reform eliminated inequalities in pension coverage and benefit...