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A Note on Competing Merger Simulation Models in Antitrust Cases: Can the Best Be Identified?

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Author Info

  • Oliver Budzinski

    ()
    (Philipps-University Marburg)

Abstract

Advanced economic instruments like simulation models are enjoying an increased popularity in practical antitrust. There is hope that they – being quantitative predictive economic evidence – can substitute for qualitative structural analysis and lead to unambiguous results. This paper demonstrates that it can be theoretically impossible to identify the most appropriate simulation model for any given merger proposal. Due to the inevitable necessity to reduce real-world complexity and multi-parameter character of merger cases, the comparative fit of proposed merger simulation models with mutually incompatible predictions can be the same. This is valid even if an ideal antitrust procedure is assumed. This insight is important regarding two aspects. First, the scope for partisan economic evidence cannot be completely eroded in merger control. Second, simulation cannot eliminate or substitute for qualitative reasoning and economically informed common sense.

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File URL: http://www.uni-marburg.de/fb02/makro/forschung/magkspapers/03-2008_budzinski.pdf
File Function: First version, 2008
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Bibliographic Info

Paper provided by Philipps-Universität Marburg, Faculty of Business Administration and Economics, Department of Economics (Volkswirtschaftliche Abteilung) in its series MAGKS Papers on Economics with number 200803.

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Length: 13 pages
Date of creation: 2008
Date of revision:
Handle: RePEc:mar:magkse:200803

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Related research

Keywords: merger simulation; merger control; antitrust; economic evidence;

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References

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  1. Gregory Werden, 2001. "Microsoft's Pricing of Windows and the Economics of Derived Demand Monopoly," Review of Industrial Organization, Springer, vol. 18(3), pages 257-262, May.
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  4. repec:reg:rpubli:109 is not listed on IDEAS
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  6. Epstein, Roy J. & Rubinfeld, Daniel, 2012. "Merger Simulation: A Simplified Approach with New Applications," Department of Economics, Working Paper Series qt2k9116ph, Department of Economics, Institute for Business and Economic Research, UC Berkeley.
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  8. Epstein, Roy J. & Rubinfeld, Daniel, 2001. "Merger Simulation: A Simplified Approach with New Applications," Department of Economics, Working Paper Series qt1c65s24r, Department of Economics, Institute for Business and Economic Research, UC Berkeley.
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  15. Oliver Budzinski, 2008. "Monoculture versus diversity in competition economics," Cambridge Journal of Economics, Oxford University Press, vol. 32(2), pages 295-324, March.
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  19. Oliver Budzinski & Arndt Christiansen, 2007. "The Oracle/PeopleSoft Case: Unilateral Effects, Simulation Models and Econometrics in Contemporary Merger Control," Marburg Working Papers on Economics 200702, Philipps-Universität Marburg, Faculty of Business Administration and Economics, Department of Economics (Volkswirtschaftliche Abteilung).
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Cited by:
  1. Oliver Budzinski, 2009. "Modern Industrial Economics and Competition Policy: Open Problems and Possible Limits," Working Papers 93/09, University of Southern Denmark, Department of Environmental and Business Economics.
  2. David Harbord & Steffen Hoernig, 2012. "Welfare Analysis of Regulating Mobile Termination Rates in the UK with an Application to the Orange/T-Mobile Merger," FEUNL Working Paper Series wp571, Universidade Nova de Lisboa, Faculdade de Economia.

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