This study analyzes the treatment effects of public training programs for the unemployed inGermany. Based on propensity score matching methods we extend the picture that has beensketched in previous studies by estimating treatment effects of medium-term programs fordifferent sub-groups with...

'Marginal employment', i.e. employment at low working hours and earnings not covered bysocial security, has been gaining importance in the German economy over the past decade.Using a large newly available panel data set and statistical matching techniques, we analysethe effects of marginal...

We analyze how school vouchers affect post-secondary attainment by exploiting the universal voucher program implemented in Chile in 1981. The program allowed students to choose which primary and secondary schools to attend. The government covered tuition independently of whether the chosen...

In 2021, the Biden Administration issued mandates requiring COVID-19 vaccinations for U.S. federal employees and contractors and for some healthcare and private sector workers. Although these mandates have been subject to legal challenges and some have been halted or delayed, rigorous appraisal...

How can colleges find successful applicants? Criteria such as GPA, interviews, essays, and tests provide information about candidates, but which work and why? We shed light on these questions using unique data on the universe of objective and subjective rankings of all college applicants in...

In response to strong revenue and income losses that a large share of the self-employed faced during the COVID-19 pandemic, the German federal government introduced a €50bn emergency aid program. Based on real-time online-survey data comprising more than 20,000 observations, we analyze the...

We demonstrate the social efficiency of investing in high-quality early childhood education using newly collected data from the HighScope Perry Preschool Project. The data analyzed are the longest follow-up of any randomized early childhood education program. Annual observations of participant...

We present results two years after the end of a group-based parenting intervention tested in a cluster randomized control trial in rural Kenya. The original program consisted of 16 fortnightly village-based sessions over 8 months and had large positive impacts on children's cognition and...

We offer a new analysis of a large-scale trial of an early-childhood education program that targeted premature, low-birthweight children. This targeting heavily oversampled twins, whose outcomes differed significantly from singletons'. Singletons' gains in short-term cognition and age-18...

Recent microeconometric evaluation studies have shown that start-up subsidies for unemployed individuals are an effective policy tool to improve long-term employment and income prospects of participants, in particular compared to other active labor market programs (e.g. training, job search...