This paper uses British panel data to investigate single women´s labour supply changes inresponse to three tax and benefit policy reforms that occurred in the 1990s. These reformschanged individuals´ work incentives and we use them to identify changes in labour supply.We find evidence of small...

The optimal design of low income support is examined using a structural labour supplymodel. The approach incorporates unobserved heterogeneity, fixed costs of work, childcarecosts and the detailed non-convexities of the tax and transfer system. The analysis considerspurely Pareto improving...