Health Affairs, 23, no. 2 (2004): 175-181 doi: 10.1377/hlthaff.23.2.175 © 2004 by Project HOPE	New Online   Senate Health Reform Bill   Rewarding Providers   Public Option Policy Brief   Health Reform & Abortion   Delivery System Reform

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Hospital Consolidation And Negotiated PPO Prices

We examine the effects of hospital consolidation on the actual prices paid by preferred provider organizations. We find that price increases following consolidations among nearby hospitals invariably equaled or exceeded median price increases among other hospitals in the same market. Using multivariate regression analysis, we find that consolidation enables hospitals to increase prices in three of the four markets studied; these increases are generally statistically significant. In the remaining market, the measured effect was zero. Our results suggest that some, but not all, consolidations of competing hospitals facilitate price increases. We conclude that antitrust scrutiny of hospital consolidation is warranted.

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