Moriya, Asako S.; Vogt, William B.; Gaynor, Martin - In: Health Economics, Policy and Law 5 (2010) 04, pp. 459-479
There has been substantial consolidation among health insurers and hospitals, recently, raising questions about the effects of this consolidation on the exercise of market power. We analyze the relationship between insurer and hospital market concentration and the prices of hospital services. We...