作者:Bayer, Patrick; Ferreira, Fernando; Ross, Stephen L.
作者单位:Duke University; University of Pennsylvania; National Bureau of Economic Research; University of Connecticut
作者:Carey, Colleen
作者单位:Cornell University
摘要:Subsidized health insurance markets use diagnosis-based risk adjustment to induce insurers to offer an equitable benefit to individuals of varying expected cost. I demonstrate that technological change after risk adjustment calibration-new drug entry and the onset of generic competition made certain diagnoses profitable or unprofitable in Medicare Part D. I then exploit variation in diagnoses' profitability driven by technological change to show insurers designed more favorable benefits for dr...