Social security programs generally seek to provide insurance and to reduce poverty and inequality. Providing insurance requires little redistribution. But reducing inequality and alleviating poverty do require redistribution. To reduce inequality, programs must redistribute income, but...

Poor heath, large acute and long-term care medical expenses, and spousal death are significant drivers of impoverishment among retirees. We document these facts and build a rich, overlapping generations model that reproduces them. We use the model to assess the incentive and welfare effects of...

We analyze in this whitepaper a way of addressing both targeting and financing in a direct payment (or “stimulus check”) program to provide households with additional liquidity during the economic downturn associated with the COVID-19 virus: by allowing voluntary loans to individuals in...

The purpose of this work is to evaluate the redistributive role of government social security transfers on inequality in China. We attempt to answer two questions. First, does inequality of after-transfer income narrow, compared to that of before-transfer income? Second, given the scale and...

In his seminal model (Feldstein, 1985), the government operates a social security system to counter the representative worker's myopia. (i) For a complete myope, he determined a sizable optimal tax rate (and the corresponding benefit level). (ii) For a partially shortsighted worker, he...

We study the impact of a national cash transfer program in Vietnam on labor supply using large household surveys and a regression-discontinuity design based on discontinuity in age eligibility. We do not find evidence of a disincentive effect of the cash transfer on labor supply for adults aged...

This paper reviews how income-support systems affect labour force participation in the UK. The UK's approach to social insurance is "basic security", with modest, typically flat-rate, benefits; insurance-based benefits are relatively unimportant. Compared with the EU, the UK has high employment...