Zachary Wagner is an economist at the Center for Economic and Social Research. His research uses economic theory and econometrics to study how people make decisions about health and health care around the globe. Wagner’s topical expertise includes take-up of health technology, quality of care in low-income countries, disasters and health, health insurance for the poor, community health workers, HIV/AIDS, child diarrhea, private sector health care, the opioid crisis, and family planning.