Randomized controlled trials are increasingly used to evaluate policies. How can we make these experiments as useful as possible for policy purposes? We argue greater use should be made of experiments that identify behavioral mechanisms that are central to clearly specified policy questions,...

We study adult economic and health outcomes in the Moving to Opportunity (MTO) demonstration, a randomized housing mobility experiment in which families living in high-poverty U.S. public housing projects in five cities were given vouchers to help them move to private housing units in...

Randomized controlled trials are increasingly used to evaluate policies. How can we make these experiments as useful as possible for policy purposes? We argue greater use should be made of experiments that identify behavioral mechanisms that are central to clearly specified policy questions,...