Immigrants in many countries have lower employment rates and lower earnings than natives. In this paper, we ask whether a more liberal access to citizenship can improve the economic integration of immigrants. Our analysis relies on two major immigration reforms in Germany, a country with a...

Three decades ago most immigrants to Australia with work entitlements came as permanent settlers. Today the annual allocation of temporary visas, with work entitlements, outnumbers permanent settler visas by a ratio of three to one. The new environment, with so many temporary visa holders, has...

School accountability schemes require measures of school performance, and these measures are in practice often based on pupil test scores. It is well-known that insufficiently correcting these test scores for pupil characteristics may provide incentives for inefficient pupil selection. We show...

This paper provides a new perspective by classifying active labor market programs (ALMPs) depending on their main objectives and their relevance and cost-effectiveness during normal times, during a crisis, and during recovery. We distinguish ALMPs that provide: (i) incentives for retaining...

Reliable measures of obesity are essential in order to develop effective policies to tackle the costs of obesity. In this paper we examine what, if anything, we can learn about obesity rates using self-reported BMI once we allow for possible measurement error. We combine self-reported data on...

Important gaps remain in the understanding of the economic consequences of civil war. Focusing on the conflict in Rwanda in the early 90s, and using micro data to carry out econometric analysis, this paper finds that households and localities that experienced more intense conflict are lagging...

It is sometimes claimed that the coverage of collective bargaining in Germany is considerably understated because of orientation, a process whereby uncovered firms profess to shadow the wages set under sectoral bargaining. Yet importantly, at a time when collective bargaining proper has been in...

Demand for air quality depends on health impacts and defensive investments that improve health, but little research assesses the empirical importance of defenses. We study an important cap-and-trade market, which dramatically reduced NOx emissions, a key ingredient in ozone formation. A rich...