The labor supply and other work incentive effects of welfare programs have long been a
central concern in economic research. Work has also been an increasing focus of policy …

One of the major social policy issues facing the United States in the first decade of the twenty-
first century is the large number of Americans lacking health insurance. This article surveys …

Economic research on the safety net has evolved over time, moving away from a focus on
the negative incentive effects of means-tested assistance on employment, earnings …

We develop new tools for estimating the causal effects of treatments or instruments that
combine multiple sources of variation according to a known formula. Examples include …

The Economics of Health and Health Care is the market-leading health economics textbook,
providing comprehensive coverage of all the key topics, and balancing economic theory …

Social capital theorists have shown that some people do better than others in part because
they enjoy larger, more supportive, or otherwise more useful networks. But why do some …

This paper offers a review of recent literature regarding the take up of social programs in the
US and UK A few general conclusions are drawn: First, take up is enhanced by automatic or …

Although a sizable literature analyzes the effects of public health insurance programs on
short-run health outcomes, little prior work has examined their long-term effects. We …

Safety nets are noncontributory transfer programs targeted to the poor or vulnerable. They
play important roles in social policy. Safety nets redistribute income, thereby immediately …

This paper investigates the effects of market-wide changes in health insurance by examining
the single largest change in health insurance coverage in American history: the introduction …