The 21st century fracking boom transformed American energy production, but new jobs were often filled by temporary in-migrants and long-distance commuters, possibly reducing economic benefits for prior residents. We use novel restricted-access data from the U.S. Census Bureau to assess fracking...

A structural shift from fossil fuel-based energy systems to renewable, sustainable energy sources critically depends on research and development (R&D) activities at the firm-level. This study examines the contribution of R&D spillovers from other firms to greenhouse gas (GHG) emissions in...

This paper examines the impact of a reform aimed at expediting graduation times in Italian universities by reducing the number of exams students must pass in order to graduate. Using eventstudy estimates that leverage the reform's staggered implementation, we find that this policy led to an...

This paper evaluates the employment and sales effects of two widely used financial support instruments for small and medium-sized enterprises, interest rate subsidies and credit guarantees, using administrative program data from Kazakhstan matched to the universe of firms. Utilizing staggered...

Vaccine hesitancy is a crucial public health issue worldwide. In this paper, we evaluate the causal impact of a vaccination-based access restriction policy on vaccine uptake by exploiting the introduction of the EU Digital COVID-19 Certificate at the country level. We compare two countries,...