hospitals. We construct indices of health plan generosity and the price and volume of hospital services using data from Truven … generosity facilitates the exercise of hospital market power, IV estimates show a statistically significant and economically … important positive effect of plan generosity on hospital prices in uncompetitive markets, but not in competitive markets. Our …

hospital. We also find that patients are more likely to choose a high-cost, low-quality hospital when their admitting physician …In this paper, we estimate how hospital ownership of physicians' practices affects their patients' hospital choices. We … match data on the hospital admissions of Medicare beneficiaries, including the identity of their admitting physician, with …