IDEAS home Printed from https://ideas.repec.org/p/cbo/wpaper/42753.html
   My bibliography  Save this paper

The Impact of Hospital Mergers on Treatment Intensity and Health Outcomes: Working Paper 2011-05

Author

Listed:
  • Tamara Hayford

Abstract

Objective. To analyze the impact of hospital mergers on treatment intensity and health outcomes. Data. Hospital inpatient data from California for 1990 through 2006, encompassing forty mergers. Study Design. I used a geographic-based IV approach to determine the effect of a zip code’s exposure to a merger. The merged facility’s market share represents exposure, instrumented with combined pre-merge shares. Additional specifications include the Herfindahl index (HHI), instrumented with predicted change in HHI. Results. The primary specification results indicate that mergers increase the use of

Suggested Citation

  • Tamara Hayford, 2011. "The Impact of Hospital Mergers on Treatment Intensity and Health Outcomes: Working Paper 2011-05," Working Papers 42753, Congressional Budget Office.
  • Handle: RePEc:cbo:wpaper:42753
    as

    Download full text from publisher

    File URL: https://www.cbo.gov/sites/default/files/112th-congress-2011-2012/workingpaper/10-06-2011-Hospital_Mergers_1.pdf
    Download Restriction: no

    References listed on IDEAS

    as
    1. Capps, Cory & Dranove, David & Satterthwaite, Mark, 2003. " Competition and Market Power in Option Demand Markets," RAND Journal of Economics, The RAND Corporation, vol. 34(4), pages 737-763, Winter.
    2. Avi Dor & Michael Grossman & Siran M.Koroukian, 2004. "Transaction Prices and Managed Care Discounting for Selected Medical Technologies: A Bargaining Approach," NBER Working Papers 10377, National Bureau of Economic Research, Inc.
    3. Daniel P. Kessler & Jeffrey J. Geppert, 2005. "The Effects of Competition on Variation in the Quality and Cost of Medical Care," NBER Working Papers 11226, National Bureau of Economic Research, Inc.
    4. Buchmueller, Thomas C. & Jacobson, Mireille & Wold, Cheryl, 2006. "How far to the hospital?: The effect of hospital closures on access to care," Journal of Health Economics, Elsevier, vol. 25(4), pages 740-761, July.
    5. Ho, Vivian & Hamilton, Barton H., 2000. "Hospital mergers and acquisitions: does market consolidation harm patients?," Journal of Health Economics, Elsevier, vol. 19(5), pages 767-791, September.
    6. Leemore Dafny, 2009. "Estimation and Identification of Merger Effects: An Application to Hospital Mergers," Journal of Law and Economics, University of Chicago Press, vol. 52(3), pages 523-550, August.
    7. Martin Gaynor, "undated". "What Do We Know About Competition and Quality in Health Care Markets?," GSIA Working Papers 2006-E62, Carnegie Mellon University, Tepper School of Business.
    8. Daniel P. Kessler & Jeffrey J. Geppert, 2005. "The Effects of Competition on Variation in the Quality and Cost of Medical Care," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 14(3), pages 575-589, September.
    9. Dranove, David & Lindrooth, Richard, 2003. "Hospital consolidation and costs: another look at the evidence," Journal of Health Economics, Elsevier, vol. 22(6), pages 983-997, November.
    10. Leemore S. Dafny, 2005. "How Do Hospitals Respond to Price Changes?," American Economic Review, American Economic Association, vol. 95(5), pages 1525-1547, December.
    11. Martin Gaynor & Harald Seider & William B. Vogt, 2005. "The Volume–Outcome Effect, Scale Economies, and Learning-by-Doing," American Economic Review, American Economic Association, vol. 95(2), pages 243-247, May.
    12. Daniel P. Kessler & Mark B. McClellan, 2000. "Is Hospital Competition Socially Wasteful?," The Quarterly Journal of Economics, Oxford University Press, vol. 115(2), pages 577-615.
    13. Robert Town & Douglas Wholey & Roger Feldman & Lawton R. Burns, 2006. "The Welfare Consequences of Hospital Mergers," NBER Working Papers 12244, National Bureau of Economic Research, Inc.
    14. Joseph J. Doyle, Jr. & Steven M. Ewer & Todd H. Wagner, 2008. "Returns to Physician Human Capital: Analyzing Patients Randomized to Physician Teams," NBER Working Papers 14174, National Bureau of Economic Research, Inc.
    15. David M. Cutler & Mark McClellan & Joseph P. Newhouse, 2000. "How Does Managed Care Do It?," RAND Journal of Economics, The RAND Corporation, vol. 31(3), pages 526-548, Autumn.
    16. McClellan, Mark & Cutler, David & Newhous, Joseph P., 2000. "How Does Managed Care Do It?," Scholarly Articles 2643884, Harvard University Department of Economics.
    Full references (including those not matched with items on IDEAS)

    More about this item

    Statistics

    Access and download statistics

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:cbo:wpaper:42753. See general information about how to correct material in RePEc.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: (). General contact details of provider: http://edirc.repec.org/data/cbogvus.html .

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service hosted by the Research Division of the Federal Reserve Bank of St. Louis . RePEc uses bibliographic data supplied by the respective publishers.