We investigate the impact of a large new public hospital on directly observed waiting times in emergency departments of other public hospitals in Nicaragua. Using a difference-indifferences design, we estimate a significant decrease in waiting time by 42% or 10.1 minutes in nearby hospitals...

In this article, we discuss the interaction between the Covid-19 vaccine rollout in EU member states and the effective use of grants and soft loans from the EU pandemic recovery fund. With some of the national spending plans for the Recovery Fund still awaiting initial submission (Bulgaria),...

This paper evaluates the aggregate impact of air pollution regulations introduced by the US Environmental Protection Agency in the early 2000s. We first provide regression evidence on the regulations' effects across industries and local labor markets. We then use these results to calibrate a...