This paper examines the drivers of COVID-19 vaccine hesitancy and tests various means of increasing people's willingness to receive a COVID-19 vaccine. The study draws on data collected through a broadly representative phone survey with 2,533 respondents and an online randomized survey...

Does foreign aid extended by one country improve that country's image among populations of recipient countries? Using a multinational survey, we show that a United States aid program targeted to address HIV and AIDS substantially improves perceptions of the U.S. Our identification strategy for...