Antitrust & Competition Policy Blog

Editor: D. Daniel Sokol
University of Florida
Levin College of Law

Thursday, November 8, 2018

Equilibrium Provider Networks: Bargaining and Exclusion in Health Care Markets

Kate Ho, Princeton University - Department of Economics; National Bureau of Economic Research (NBER) and Robin S. Lee, Harvard University - Department of Economics; National Bureau of Economic Research (NBER) have an interesting paper on Equilibrium Provider Networks: Bargaining and Exclusion in Health Care Markets.

ABSTRACT: We evaluate the consequences of narrow hospital networks in commercial health care markets. We develop a bargaining solution, Nash-in-Nash with Threat of Replacement, that captures insurers' incentives to exclude, and combine it with California data and estimates from Ho and Lee (2017) to simulate equilibrium outcomes under social, consumer, and insurer-optimal networks. Private incentives to exclude generally exceed social incentives, as the insurer bene fits from substantially lower negotiated hospital rates. Regulation prohibiting exclusion increases prices and premiums and lowers consumer welfare without significantly affecting social surplus. However, regulation may prevent harm to consumers living close to excluded hospitals.

https://lawprofessors.typepad.com/antitrustprof_blog/2018/11/equilibrium-provider-networks-bargaining-and-exclusion-in-health-care-markets.html

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