This paper investigates the causal effect of changes in health on economic development using a long panel of European countries. Identification is based on the particular timing of the introduction of public health care systems in different countries, which is the random outcome of a political...

We study the impact of social health insurance on mortality. Using the introduction of compulsory health insurance in the German Empire in 1884 as a natural experiment, we estimate flexible difference-in-differences models exploiting variation in eligibility for insurance across occupations. Our...

In this paper we present a counterfactual evaluation of the effect of ICT resources at school on student achievements conducted in Italy. In 2009 156 classes at 6th grade were endowed with additional resources earmarked for purchasing ICT equipments only. By selecting an equivalent number of...

Understanding how variation in weather and climate conditions impact productivity, performance and learning is of crucial economic importance. Recently, studies have established that high temperatures negatively impact cognition and educational outcomes in several countries around the world. We...

This paper studies learning within organizations when incentives change. We use a simple principal-agent model to show how, in the presence of imperfect information over the shape of the production function, worker's effort choice changes over time as information is disclosed and processed. We...

In this paper, we study the role of coworker referrals for labor market outcomes. Using comprehensive Danish administrative data covering the period 1980 to 2005, we first document a strong tendency of workers to follow their former coworkers into the same establishments and provide evidence...