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American Economic Review Vol. 99 No. 1 2009

Insurer-Provider Networks in the Medical Care Market

Katherine Ho

Department of Economics, Columbia University, 1037 IAB, 420 West 118th Street, New York, NY 10027.

Abstract

I use data on the hospital networks offered by managed care health insurers to estimate the expected division of profits between insurers and providers. I include a simple profit-maximization framework and an additional effect: hospitals that can secure demand without contracting with all insurers (e.g., those most attractive to consumers and those that are capacity constrained) may demand high prices that some insurers refuse to pay. Hospital mergers may also affect price bargaining. I estimate that all three types of hospitals capture higher markups than other providers. These results provide information on the hospital investment incentives generated by bargaining.

DOI
10.1257/aer.99.1.393
Volume
99
Issue
1
Pages
393-430
Language
en
Sources
openalex bibtex:phds-export.bib crossref

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