This paper addresses the questions of what is an economically efficient pension system, what are the externalities and what are the risks of the four alternative pension systems: financial defined contribution (FDC), notional or non-financial defined contribution (NDC), financial defined benefit...

A critical question in the transition to a funded, private pension system is whether the new private element is presented as a mandate or choice to current and future workers. This paper sets out the spectrum of available options and looks at policy in 13 reforming countries. It concludes that...

This paper examines the optimal design of pension plans when the health status during retirement is uncertain. Assuming that the health status affects both life expectancy and the marginal utility of consumption, choice between a lump-sum payment and an annuity can be welfare-enhancing if the...

This paper breaks down the contingent liability of a mandatory pension system into two components: the implicit pension debt and the pay-as-you-go asset. It then estimates these two components for 12 pension schemes across six MENA countries and presents international comparisons. The results...

Intergenerational inequality and old-age poverty are salient isuues in contemporary China. China's aging population threatens the fiscal sustainability of its pension system, a key vehicle for intergenerational redistribution. We analyze the positive and normative effects of alternative pension...