She is also a research associate in the Health Care program at the National Bureau of Economic Research. Her research focuses broadly on the impact of incentives in health care markets on physician, hospital and patient behavior. Her current projects include an analysis of the impact of Medicare payment policies on physician treatment decisions and patient outcomes and the impact of health insurance on medical expenditure risk and financial strain. Her work has appeared in The Quarterly Journal of Economics, American Economic Journal – Applied Economics, The New England Journal of Medicine and Health Affairs.