Starting in 2009, the German state of Saxony distributed sports club membership vouchers among all 33,000 third graders in the state. The policy's objective was to encourage them to develop a long-term habit of exercising. In 2018, we carried out a large register-based survey among several...

Using detailed daily information covering 100 countries and an event-study approach, we estimate the short run effects of implementing Non-Pharmaceutical Interventions (NPIs) on the spread of the COVID-19 virus at the early stages of the pandemic. We study the impact of two NPIs -stay-at-home...

The Earned Income Tax Credit (EITC) is the largest anti-poverty program in the U.S. In 1993, the EITC benefit levels were changed significantly based on the number of children in the family such that families with two or more children experienced an exogenous expansion in their incomes. Using...

This paper examines how exogenous income transfers during adolescence affect contemporaneous body mass index (BMI) measures and young adult obesity rates using evidence from the Great Smoky Mountains Study of Youth. The effects of extra income differ depending on the householdsﾒ initial...

We exploit exogenous variation in the risk of waterborne disease created by implementation of a major water reform in Mexico in 1991 to investigate impacts of infant exposure on indicators of cognitive development and academic achievement in late childhood. We estimate that a one standard...

This paper estimates the causal effect of income on health outcomes of the elderly and investigates underlying mechanisms by exploiting an income change induced by the launch of China's New Rural Pension scheme (NRPS). Using this policy experiment, we address the endogeneity of pension income by...

In this study we examine the passage of a reform to in-vitro fertilization (IVF) procedures in Sweden in 2003. Following publication of medical evidence showing that pregnancy success rates could be maintained using single rather than multiple embryo transfers, the single embryo transfer (SET)...

This study investigates the effects of welfare reform in the U.S. in the 1990s, which dramatically limited cash assistance for low-income families, on the next generation as they transition to adulthood. We estimate effects by gender and focus on behaviors that are important for socioeconomic...

We carry out a randomized control trial to test for interaction effects between training state-employed caregivers and providing mothers information to improve nutrition of preschool children aged 2-6 in rural India. Salaried caregivers are supposed to provide a mid-day meal and also advise...

During the 1980s and 1990s there was a steep rise in disability benefit claims in the UK, especially among older male workers, and the debate centred on the relative generosity of these benefits as well as the effects of deindustrialisation and job destruction. Since that time the disability...