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The effect of mergers on firms' costs: evidence from the HMO industry

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  • Engberg, John
  • Wholey, Douglas
  • Feldman, Roger
  • Christianson, Jon B.

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  • Engberg, John & Wholey, Douglas & Feldman, Roger & Christianson, Jon B., 2004. "The effect of mergers on firms' costs: evidence from the HMO industry," The Quarterly Review of Economics and Finance, Elsevier, vol. 44(4), pages 574-600, September.
    • Handle: RePEc:eee:quaeco:v:44:y:2004:i:4:p:574-600
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    1. Hausman, Jerry A & Taylor, William E, 1981. "Panel Data and Unobservable Individual Effects," Econometrica, Econometric Society, vol. 49(6), pages 1377-1398, November.
    2. Wholey, Douglas & Feldman, Roger & Christianson, Jon B., 1995. "The effect of market structure on HMO premiums," Journal of Health Economics, Elsevier, vol. 14(1), pages 81-105, May.
    3. Given, Ruth S., 1996. "Economies of scale and scope as an explanation of merger and output diversification activities in the health maintenance organization industry," Journal of Health Economics, Elsevier, vol. 15(6), pages 685-713, December.
    4. Town, Robert, 2001. "The welfare impact of HMO mergers," Journal of Health Economics, Elsevier, vol. 20(6), pages 967-990, November.
    5. Caves, Douglas W & Christensen, Laurits R & Tretheway, Michael W, 1980. "Flexible Cost Functions for Multiproduct Firms," The Review of Economics and Statistics, MIT Press, vol. 62(3), pages 477-481, August.
    6. Caves, Douglas W & Christensen, Laurits R & Swanson, Joseph A, 1981. "Productivity Growth, Scale Economies, and Capacity Utilization in U.S. Railroads, 1955-74," American Economic Review, American Economic Association, vol. 71(5), pages 994-1002, December.
    7. Cornett, Marcia Millon & Tehranian, Hassan, 1992. "Changes in corporate performance associated with bank acquisitions," Journal of Financial Economics, Elsevier, vol. 31(2), pages 211-234, April.
    8. Fournier, Gary M & Mitchell, Jean M, 1992. "Hospital Costs and Competition for Services: A Multiproduct Analysis," The Review of Economics and Statistics, MIT Press, vol. 74(4), pages 627-634, November.
    9. Sayan Chatterjee, 1986. "Types of synergy and economic value: The impact of acquisitions on merging and rival firms," Strategic Management Journal, Wiley Blackwell, vol. 7(2), pages 119-139, March.
    10. Raymond S. Hartman, 1996. "Predicting The Efficiency Effects Of Mergers," Journal of Forensic Economics, National Association of Forensic Economics, vol. 9(3), pages 295-323, September.
    11. Kim, E Han & Singal, Vijay, 1993. "Mergers and Market Power: Evidence from the Airline Industry," American Economic Review, American Economic Association, vol. 83(3), pages 549-569, June.
    12. Christensen, Laurits R & Jorgenson, Dale W & Lau, Lawrence J, 1973. "Transcendental Logarithmic Production Frontiers," The Review of Economics and Statistics, MIT Press, vol. 55(1), pages 28-45, February.
    13. Feldman, Roger, 1994. "The Welfare Economics of a Health Plan Merger," Journal of Regulatory Economics, Springer, vol. 6(1), pages 67-86, February.
    14. Douglas Staiger & James H. Stock, 1997. "Instrumental Variables Regression with Weak Instruments," Econometrica, Econometric Society, vol. 65(3), pages 557-586, May.
    15. Braeutigam, Ronald R. & Daughety, Andrew F., 1983. "On the estimation of returns to scale using variable cost functions," Economics Letters, Elsevier, vol. 11(1-2), pages 25-31.
    16. Mueller, Dennis C, 1985. "Mergers and Market Share," The Review of Economics and Statistics, MIT Press, vol. 67(2), pages 259-267, May.
    17. Shaffer, Sherrill, 1993. "Can megamergers improve bank efficiency?," Journal of Banking & Finance, Elsevier, vol. 17(2-3), pages 423-436, April.
    18. Baker, Jonathan B. & Bresnahan, Timothy F., 1988. "Estimating the residual demand curve facing a single firm," International Journal of Industrial Organization, Elsevier, vol. 6(3), pages 283-300.
    19. Nelson, Randy A., 1985. "Returns to scale from variable and total cost functions : Evidence from the electric power industry," Economics Letters, Elsevier, vol. 18(2-3), pages 271-276.
    20. Healy, Paul M. & Palepu, Krishna G. & Ruback, Richard S., 1992. "Does corporate performance improve after mergers?," Journal of Financial Economics, Elsevier, vol. 31(2), pages 135-175, April.
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    2. Douglas Wholey & John Engberg & Cindy Bryce, 2006. "A descriptive analysis of average productivity among health maintenance organizations, 1985 to 2001," Health Care Management Science, Springer, vol. 9(2), pages 189-206, May.

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