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The success of divestitures in merger enforcement: Evidence from the J&J-Pfizer transaction

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  • Tenn, Steven
  • Yun, John M.

Abstract

Despite being a widely used tool in merger enforcement, there have been few studies of whether antitrust divestitures are successful. We help fill this void by conducting a study of the divestitures relating to Johnson & Johnson's $16.6 billion acquisition of Pfizer's consumer health division in 2006. Six brands were divested in this matter to alleviate antitrust concern. For three of the brands, their pre- and post-divestiture performances are similar, while the remainder underwent changes that do not appear to be divestiture related. Overall, the results are consistent with the view that the divestitures maintained the pre-transaction level of competition.

Suggested Citation

  • Tenn, Steven & Yun, John M., 2011. "The success of divestitures in merger enforcement: Evidence from the J&J-Pfizer transaction," International Journal of Industrial Organization, Elsevier, vol. 29(2), pages 273-282, March.
  • Handle: RePEc:eee:indorg:v:29:y:2011:i:2:p:273-282
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    References listed on IDEAS

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    1. Vita, Michael G & Sacher, Seth, 2001. "The Competitive Effects of Not-for-Profit Hospital Mergers: A Case Study," Journal of Industrial Economics, Wiley Blackwell, vol. 49(1), pages 63-84, March.
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    5. Breen Denis A., 2004. "The Union Pacific/Southern Pacific Rail Merger: A Retrospective on Merger Benefits," Review of Network Economics, De Gruyter, vol. 3(3), pages 1-40, September.
    6. Pesendorfer, Martin, 2003. " Horizontal Mergers in the Paper Industry," RAND Journal of Economics, The RAND Corporation, pages 495-515.
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    9. Peters, Craig, 2006. "Evaluating the Performance of Merger Simulation: Evidence from the U.S. Airline Industry," Journal of Law and Economics, University of Chicago Press, vol. 49(2), pages 627-649, October.
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    Cited by:

    1. repec:oup:jcomle:v:8:y:2012:i:4:p:769-803. is not listed on IDEAS
    2. Brito, Duarte & Pereira, Pedro & Ramalho, Joaquim J.S., 2013. "Mergers, coordinated effects and efficiency in the Portuguese non-life insurance industry," International Journal of Industrial Organization, Elsevier, vol. 31(5), pages 554-568.
    3. Friberg, Richard & Romahn, André, 2015. "Divestiture requirements as a tool for competition policy: A case from the Swedish beer market," International Journal of Industrial Organization, Elsevier, vol. 42(C), pages 1-18.
    4. Reddy, Kotapati Srinivasa, 2015. "The State of Case Study Research in Mergers & Acquisitions: A Review of the Literature in Different Management Streams," MPRA Paper 63939, University Library of Munich, Germany, revised 2015.

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    Keywords

    Divestiture Antitrust Merger;

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