I take advantage of regulatory and pricing dynamics in Medicare Part D to empirically explore interactions among adverse selection, switching costs, and regulation. I first document novel evidence of adverse selection and switching costs within Part D using detailed administrative data. I then...

With increasing interest from commercial players in developing insurance markets to meet the needs of low-income people, efforts to find sustainable products have expanded rapidly yet remain elusive. This is particularly true in the domain of health insurance, where the general challenges of...

The existence of asymmetric information in insurance markets has been studied extensively in the economics literature, whereas the factors likely to influence asymmetric information have had less attention. Using individual level insurance data from a Takaful health insurance company located in...

Given heterogeneity in incomes and health risks, with asymmetric information in the latter, preferences over the public-private mix in health insurance and care are derived. Results concerning crowding-out in the presence of adverse selection are established. For low-risk individuals,...