We study fair and efficient tax-benefit schemes based on income and non-income factors under partial control. Partial control means that each factor is a specific mixture of unobserved ability (randomly drawn by nature) and effort (chosen by individuals who differ in tastes). Factors differ in...

ELIE can be interpreted as a minimum income scheme, financed by lump-sum taxes. It may induce social waste as individuals with a low taste for working may opt for voluntary unemployment. We simulate the magnitude of this social waste with micro-data for Belgium and compare ELIE with a first best...

We characterize a measure of social welfare for linear production economies in which individuals differ in productive skills and preferences. The key feature of our measure is that it aggregates fairness gaps, defined as the difference between the money-metric utility that the individual...

The design of the income transfer program for the lower incomes is a hot issue in current public policy debate. Should we stick to a generous welfare state with a sizeable basic income, but high marginal tax rates for the lower incomes and thus little incentives to work? Or should we "make work...