The average height of children is an indicator for the quality of nutrition and health care. Heights have never declined over longer time spans in Eastern Germany since 1880 – except for the most recent period 1997-2006. In the Eastern German Land of Brandenburg, a data set of 253,050...

The impact of a stronger work requirement for welfare recipients in a workfare program is studied in an efficiency wage model where a representative firm chooses its level of monitoring activities. A stricter workfare policy raises employment and monitoring activities. It typically increases...

There has been little empirical work evaluating the sensitivity of fertility to financial incentives at the household level. We put forward an identification strategy that relies on the fact that variation of wages induces variation in benefits and tax credits among "comparable" households. We...

This paper explores the effects of high skilled immigration to a host country with unionized low skilled labor and an unemployment insurance scheme. We show that such immigration can create a negative immigration surplus due to adverse effects on low skilled employment, provided that fiscal...

This paper reviews the evidence on welfare time limits in the United States. It primarily refers to experimental and econometric evaluations. Time limits affect welfare recipients both before and after their limits are reached. Time limits reduce welfare receipt and increase employment before...

The paper compares the impact of corporate taxation and social insurance on foreign direct investment (FDI) and unemployment. Four main results are derived: (i) the optimal size of the welfare state depends on the degree of risk-aversion and the unemployment rate as a measure of labor income...

The impacts of introducing work requirements for welfare recipients are studied in an efficiency wage model. If the workfare package is not mandatory, it will reduce employment, profits, and utility levels of employed and unemployed workers. In contrast, mandatory effort requirements will...

In this paper, we investigate the use of interactive effect or linear factor models in regional policy evaluation. We contrast treatment effect estimates obtained by Bai (2009)’s least squares method with the popular difference in differences estimates as well as with estimates obtained using...