We present a method to conduct automated surveys over WhatsApp, a globally popular messaging service. WhatsApp surveys offer potential advantages since they incur relatively low costs to respondents and researchers, are easy to use for respondents who are already familiar with WhatsApp chat...

Previous research has documented lower vaccination rates among ethnic and racial minorities as well as foreign-born people, thus raising concerns about health inequities during pandemics. We analyzed influenza vaccination rates among children with US-born parents and those with at least one...

Based on observational studies, conventional wisdom suggests that citizenship carries economic benefits. We leverage a randomized experiment from New York where low-income registrants who wanted to become citizens entered a lottery to receive fee vouchers to naturalize. Voucher recipients were...