Mario Macis is an applied economist at Johns Hopkins University whose research examines how markets, policies, and institutions shape behavior where individual decisions have large social consequences. His work spans health, labor, development, and behavioral economics, with a focus on how incentives interact with trust, social norms, and moral values. Using field, survey, and laboratory experiments, he has studied blood and organ donation, health service uptake, and trust in health care. His research has appeared in the American Economic Review, Science, and JAMA Internal Medicine. He has consulted for the World Bank and the World Health Organization and holds a PhD in economics from the University of Chicago.
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