What is the role of general practitioners (GPs) in supporting or hindering public health efforts? We investigate the influence of vaccine-skeptic GPs on their patients' decisions to get a COVID-19 vaccination. We identify vaccine-skeptic GPs from the signatories of an open letter in which 199...

What is the role of general practitioners (GPs) in supporting or hindering public health efforts? We investigate the influence of vaccine-skeptic GPs on their patients' decisions to get a COVID-19 vaccination. We identify vaccine-skeptic GPs from the signatories of an open letter in which 199...

What is the role of general practitioners (GPs) in supporting or hindering public health efforts? We investigate the influence of vaccine-skeptic GPs on their patients' decisions to get a COVID-19 vaccination. We identify vaccine-skeptic GPs from the signatories of an open letter in which 199...

A key problem in the literature on the economics of migration is how emigration of an individual affects households left behind. Answers to this question must confront a problem I refer to as invisible sample selection: when entire households migrate, no information about them remains in their...

An important concern about the surge in the number of refugees arriving in Europe is increased support for far-right, nationalist, anti-immigration parties. This paper studies a natural experiment in an Austrian federal state to identify the causal effect of exposure to refugees in the...

This study investigates how exposure to an academic field influences students major choices. In particular, we analyze whether students who are inclined to study business change their intentions after being exposed to economics or law. We exploit a natural experiment at a Swiss university. All...