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Merger Mechanisms

  • Sandro Brusco

    (Department of Economics, SUNY at Stony Brook, and Departamento de Economía de la Empresa, Universidad Carlos III de Madrid)

  • Giuseppe Lopomo

    (The Fuqua School of Business, Duke University)

  • S. Viswanathan

    (The Fuqua School of Business, Duke University)

A firm can merge with one of n potential partners. The owner of each firm has private information about both his firm’s stand-alone value and a component of the synergies that would be realized by the merger involving his firm. We characterize incentive-efficient mechanisms in two cases. First, we assume that the value of any newly formed partnership is verifiable, hence transfers can be made contingent on the new information accruing after the merger. Second, we study the case of uncontingent rules. In the first case, we show that it is not optimal, in general, to redistribute shares of non-merging firms, and identify necessary and sufficient conditions for the implementability of efficient merger rules. In the second case, we show that the first-best can be obtained i) always, if the synergy values are privately known but the firms’ stand-alone values are observable; ii) only with sufficiently large synergies, if the firms’ stand-alone are privately known; and iii) never, if the set of feasible mechanisms is restricted to “auctions in shares”.

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Paper provided by Fondazione Eni Enrico Mattei in its series Working Papers with number 2004.7.

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Date of creation: Jan 2004
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Handle: RePEc:fem:femwpa:2004.7
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  1. Cremer, Jacques, 1987. "Auctions with Contingent Payments: Comment," American Economic Review, American Economic Association, vol. 77(4), pages 746, September.
  2. Jehiel, Phillipe & Moldovanu, Benny, 1999. "Efficient Design with Interdependent Valuations," Sonderforschungsbereich 504 Publications 99-74, Sonderforschungsbereich 504, Universität Mannheim;Sonderforschungsbereich 504, University of Mannheim.
  3. Claudio Mezzetti, 2004. "Mechanism Design with Interdependent Valuations: Efficiency," Econometrica, Econometric Society, vol. 72(5), pages 1617-1626, 09.
  4. Hansen, Robert G, 1987. "A Theory for the Choice of Exchange Medium in Mergers and Acquisitions," The Journal of Business, University of Chicago Press, vol. 60(1), pages 75-95, January.
  5. Cremer, Jacques & McLean, Richard P, 1988. "Full Extraction of the Surplus in Bayesian and Dominant Strategy Auctions," Econometrica, Econometric Society, vol. 56(6), pages 1247-57, November.
  6. Fieseler, Karsten & Kittsteiner, Thomas & Moldovanu, Benny, 2003. "Partnerships, lemons, and efficient trade," Journal of Economic Theory, Elsevier, vol. 113(2), pages 223-234, December.
  7. Samuelson, William, 1987. "Auctions with Contingent Payments: Comment," American Economic Review, American Economic Association, vol. 77(4), pages 740-45, September.
  8. Samuelson, William F, 1984. "Bargaining under Asymmetric Information," Econometrica, Econometric Society, vol. 52(4), pages 995-1005, July.
  9. Myerson, Roger B. & Satterthwaite, Mark A., 1983. "Efficient mechanisms for bilateral trading," Journal of Economic Theory, Elsevier, vol. 29(2), pages 265-281, April.
  10. Makowski, L. & Mezzetti, C., 1989. "The Possibility Of Efficient Mechanisms For Trading In Indivisible Object," Papers 344, California Davis - Institute of Governmental Affairs.
  11. Andrzej Skrzypacz & Peter M. DeMarzo & Ilan Kremer, 2004. "Bidding with Securities: Auctions and Security Design," Econometric Society 2004 North American Winter Meetings 637, Econometric Society.
  12. Hansen, Robert G, 1985. "Auctions with Contingent Payments," American Economic Review, American Economic Association, vol. 75(4), pages 862-65, September.
  13. Matthew Rhodes-Kropf & S. Viswanathan, 2000. "Corporate Reorganizations and Non-Cash Auctions," Journal of Finance, American Finance Association, vol. 55(4), pages 1807-1854, 08.
  14. Vijay Krishna & Motty Perry, 1997. "Efficient Mechanism Design," Game Theory and Information 9703010, EconWPA, revised 28 Apr 1998.
  15. Roger B. Myerson, 1978. "Optimal Auction Design," Discussion Papers 362, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  16. repec:rje:randje:v:37:y:2006:1:p:1-22 is not listed on IDEAS
  17. Matthew Rhodes-Kropf & S. Viswanathan, 2004. "Market Valuation and Merger Waves," Journal of Finance, American Finance Association, vol. 59(6), pages 2685-2718, December.
  18. McAfee, R Preston & Reny, Philip J, 1992. "Correlated Information and Mechanism Design," Econometrica, Econometric Society, vol. 60(2), pages 395-421, March.
  19. Claudio Mezzetti, 2003. "Auction Design with Interdependent Valuations: The Generalized Revelation Principle, Efficiency, Full Surplus Extraction and Information Acquisition," Working Papers 2003.21, Fondazione Eni Enrico Mattei.
  20. Jean-Charles Rochet & Philippe Chone, 1998. "Ironing, Sweeping, and Multidimensional Screening," Econometrica, Econometric Society, vol. 66(4), pages 783-826, July.
  21. Matthew Rhodes-Kropf & S. Viswanathan, 2005. "Financing Auction Bids," RAND Journal of Economics, The RAND Corporation, vol. 36(4), pages 789-815, Winter.
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