Social Security programmes around the world link public pensions to retirement: people do not lose their pensions if they make a million dollars a year in the stock market, but they do confront marginal tax rates of up to 100% if they choose to work. After arguing that most existing theories...

The paper develops a new approach to measuring the impact of government cash transfers on poverty alleviation that takes into account endogenous reactions and consumption smoothing of households. We use the methodology to study the impact of changes in government cash benefits on poverty rates...

This proposal involves the establishment of ‘welfare accounts’ for every person in a country. There are four accounts: a retirement account (covering pensions), an unemployment account (covering unemployment support), a human capital account (covering education and training), and a health...