Managing dual practice of health workers has often proved to be challenging, especially in emerging countries characterized by weak monitoring and low motivation. This paper exploits an exogenous variation in the initiation of private practice among heads of local public facilities (known as...

We evaluate the impact of government mandated proof of vaccination requirements for access to public venues and non-essential businesses on COVID-19 vaccine uptake. We find that the announcement of a mandate is associated with a rapid and significant surge in new vaccinations (more than 60%...

We analyze the properties of the Synthetic Control (SC) and related estimators when the pre-treatment fit is imperfect. In this framework, we show that these estimators are generally biased if treatment assignment is correlated with unobserved confounders, even when the number of pre-treatment...

Curfews present the most restrictive measure aiming to fight the spread of the COVID 19-pandemic. A somewhat weaker form are night time curfews. Night time curfews were imposed all over the world (e.g. USA, France, Germany or Argentina) and are still in force in many countries and have been even...