Hospital Integration and Vertical Consolidation: An Analysis of Acquisitions in New York State
45 Pages Posted: 4 Jul 2005 Last revised: 4 Feb 2021
Date Written: May 2005
While prior studies tend to view hospital integration through the lens of horizontal consolidation, I provide an analysis of its vertical aspects. I examine the effect of hospital acquisitions in New York State on the distribution of market share for major cardiac procedures across providers in target markets. I find evidence of benefits to acquirers via business stealing, with the resulting redistribution of volume across providers having small effects, if any, on total welfare with respect to cardiac care. The results of this analysis--along with similar assessments for other services--can be incorporated into future studies of hospital consolidation.
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