We study how social proximity between the sender and the receiver of information shapes the effectiveness of preventive health campaigns. Focusing on shared religious affiliation as a signal of proximity, we implemented a field experiment during the initial phase of the COVID-19 pandemic in two...

Universal health coverage is a widely shared goal across lower-income countries. We conducted a large-scale, 4-year trial that randomized premiums and subsidies for India's first national, public hospital insurance program, RSBY. We find roughly 60% uptake even when consumers were charged...