A Robust test for Consumer Welfare Enhancing Mergers Among Sellers of a Homogeneous Product
AbstractAntiturst enforcement agencies and courts use net effect on price as a touchstone for the legality of mergers. This paper derives a simple, and completely general, condition for implementing that standard when industry equilibrium is static Nash in qualities (Cournot).
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Bibliographic InfoPaper provided by U.S. Department of Justice - Antitrust Division in its series Papers with number 97-1.
Length: 3 pages
Date of creation: 1997
Date of revision:
Contact details of provider:
Postal: U.S. DEPARTMENT OF JUSTICE; ANTITRUST DIVISION, JUDICIARY CENTER BUILDING 555 4TH ST. N.W. WASHINGTON D.C. 20001 U.S.A..
Web page: http://www.justice.gov/atr/
More information through EDIRC
Other versions of this item:
- Froeb, Luke M. & Werden, Gregory J., 1998. "A robust test for consumer welfare enhancing mergers among sellers of a homogeneous product," Economics Letters, Elsevier, vol. 58(3), pages 367-369, March.
- K20 - Law and Economics - - Regulation and Business Law - - - General
- K21 - Law and Economics - - Regulation and Business Law - - - Antitrust Law
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- Perry, Martin K & Porter, Robert H, 1985. "Oligopoly and the Incentive for Horizontal Merger," American Economic Review, American Economic Association, vol. 75(1), pages 219-27, March.
- Farrell, J. & Shapiro, C., 1988.
"Horizontal Mergers: An Equilibrium Analysis,"
17, Princeton, Woodrow Wilson School - Discussion Paper.
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- Joseph Farrell and Carl Shapiro., 1988. "Horizontal Mergers: An Equilibrium Analysis," Economics Working Papers 8880, University of California at Berkeley.
- Werden, Gregory J, 1996. "A Robust Test for Consumer Welfare Enhancing Mergers among Sellers of Differentiated Products," Journal of Industrial Economics, Wiley Blackwell, vol. 44(4), pages 409-13, December.
- Werden, Gregory J, 1991. "Horizontal Mergers: Comment," American Economic Review, American Economic Association, vol. 81(4), pages 1002-06, September.
- Werden, G.J., 1996. "A Robust Test for Consumer Welfare Enhancing Mergers Among Sellers of Differentiated Products," Papers 96-01, U.S. Department of Justice - Antitrust Division.
- Louis Kaplow & Carl Shapiro, 2007.
NBER Working Papers
12867, National Bureau of Economic Research, Inc.
- Kwang Soo Cheong & Kenneth L Judd, 1997. "Mergers and Dynamic Oligopoly," Working Papers 199714, University of Hawaii at Manoa, Department of Economics.
- Hüschelrath, Kai & Müller, Kathrin, 2012. "Market power, efficiencies, and entry: Evidence from an airline merger," ZEW Discussion Papers 12-070, ZEW - Zentrum für Europäische Wirtschaftsforschung / Center for European Economic Research.
- Marie Goppelsroeder & Maarten Pieter Schinkel & Jan Tuinstra, 2006.
"Quantifying the Scope for Efficiency Defense in Merger Control: The Werden-Froeb-Index,"
Tinbergen Institute Discussion Papers
06-074/1, Tinbergen Institute.
- Goppelsroeder, M. & Schinkel, M.P. & Tuinstra, J., 2006. "Quantifying the Scope for Efficiency Defense in Merger Control: The Werden-Froeb-Index," CeNDEF Working Papers 06-09, Universiteit van Amsterdam, Center for Nonlinear Dynamics in Economics and Finance.
- Braid, Ralph M., 2001. "Cost-reducing horizontal mergers that leave prices unchanged in models of spatial competition," Economics Letters, Elsevier, vol. 71(3), pages 421-427, June.
- Robert Willig, 2011. "Unilateral Competitive Effects of Mergers: Upward Pricing Pressure, Product Quality, and Other Extensions," Review of Industrial Organization, Springer, vol. 39(1), pages 19-38, August.
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