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Horizontal Mergers, Involuntary Unemployment, and Welfare

  • Oliver Budzinski

    ()

    (Department of Environmental and Business Economics, University of Southern Denmark)

  • Jürgen-Peter Kretschmer

    ()

    (Economic Policy Unit, Philipps-University of Marburg, Germany)

Standard welfare analysis of horizontal mergers usually refers to two effects: the anticompetitive market power effect reduces welfare by enabling firms to charge prices above marginal costs, whereas the procompetitive efficiency ef-fect increases welfare by reducing the costs of production (synergies). How-ever, demand-side effects of synergies are usually neglected. We introduce them into a standard oligopoly model of horizontal merger by assuming an (empirically supported) decrease in labour demand due to merger-specific synergies and derive welfare effects. We find that efficiency benefits from horizontal mergers are substantially decreased, if involuntary unemployment exists. However, in full employment economies, demand-side effects remain negligible. Eventually, policy conclusions for merger control are discussed.

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Paper provided by University of Southern Denmark, Department of Environmental and Business Economics in its series Working Papers with number 90/09.

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Length: 35 pages
Date of creation: Apr 2009
Date of revision:
Handle: RePEc:sdk:wpaper:90
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  1. Kenneth Heyer, 2006. "Welfare Standards and Merger Analysis: Why not the Best?," EAG Discussions Papers 200608, Department of Justice, Antitrust Division.
  2. Paolo Fulghieri & Laurie Simon Hodrick, 2006. "Synergies and Internal Agency Conflicts: The Double-Edged Sword of Mergers," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 15(3), pages 549-576, 09.
  3. d’ASPREMONT, C. & DOS SANTOS FERREIRA, R. & GERARD-VARET, L.-A., 1984. "Oligopoly and involuntary unemployment," CORE Discussion Papers 1984008, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  4. d’ASPREMONT, Cl. & DOS SANTOS FERREIRA, R. & GERARD-VARET, L.-A., 1988. "Unemployment in a Cournot oligopoly model with Ford effects," CORE Discussion Papers 1988018, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  5. Farrell, Joseph & Shapiro, Carl, 1988. "Horizontal Mergers: An Equilibrium Analysis," Department of Economics, Working Paper Series qt0tp305nx, Department of Economics, Institute for Business and Economic Research, UC Berkeley.
  6. d'Aspremont, Claude & Dos Santos Ferreira, Rodolphe & Gerard-Varet, Louis-Andre, 1989. "Unemployment in an Extended Cournot Oligopoly Model," Oxford Economic Papers, Oxford University Press, vol. 41(3), pages 490-505, July.
  7. Joseph Farrell & Carl Shapiro, 2001. "Scale Economies and Synergies in Horizontal Merger Analysis," Industrial Organization 0012002, EconWPA, revised 05 Jan 2001.
  8. David Margolis, 2006. "Should Employment Authorities Worry About Mergers and Acquisitions?," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) halshs-00202292, HAL.
  9. Gersbach, Hans, 2000. "Promoting Product Market Competition to Reduce Unemployment in Europe: An Alternative Approach?," Kyklos, Wiley Blackwell, vol. 53(2), pages 117-33.
  10. Behar Alberto & Hodge James, 2008. "The Employment Effects of Mergers in a Declining Industry: The Case of South African Gold Mining," The B.E. Journal of Economic Analysis & Policy, De Gruyter, vol. 8(1), pages 1-20, August.
  11. d'Aspremont, Claude & Dos Santos Ferreira, Rodolphe & Gerard-Varet, Louis-Andre, 1990. "On Monopolistic Competition and Involuntary Unemployment," The Quarterly Journal of Economics, MIT Press, vol. 105(4), pages 895-919, November.
  12. Joseph A. Clougherty & Tomaso Duso, 2008. "The Impact of Horizontal Mergers on Rivals: Gains to Being Left Outside a Merger," CIG Working Papers SP II 2008-17r, Wissenschaftszentrum Berlin (WZB), Research Unit: Competition and Innovation (CIG), revised Feb 2009.
  13. Dennis W. Carlton, 2007. "Does Antitrust Need to be Modernized?," Journal of Economic Perspectives, American Economic Association, vol. 21(3), pages 155-176, Summer.
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  15. David Margolis, 2006. "Should Employment Authorities Worry About Mergers and Acquisitions ?," Working Papers 2006-03, Centre de Recherche en Economie et Statistique, revised Mar 2006.
  16. repec:cup:cbooks:9780521816632 is not listed on IDEAS
  17. Salant, Stephen W & Switzer, Sheldon & Reynolds, Robert J, 1983. "Losses from Horizontal Merger: The Effects of an Exogenous Change in Industry Structure on Cournot-Nash Equilibrium," The Quarterly Journal of Economics, MIT Press, vol. 98(2), pages 185-99, May.
  18. Wolfgang Kerber, 2009. "Should Competition Law Promote Efficiency? Some Reflections of an Economist on the Normative Foundations of Competition Law," Chapters, in: Economic Theory and Competition Law, chapter 6 Edward Elgar.
  19. K. P. Upadhyaya & F. G. Mixon, 2003. "Merger activity and unemployment in the USA," Applied Economics Letters, Taylor & Francis Journals, vol. 10(11), pages 705-707.
  20. Gugler, Klaus & Yurtoglu, B. Burcin, 2004. "The effects of mergers on company employment in the USA and Europe," International Journal of Industrial Organization, Elsevier, vol. 22(4), pages 481-502, April.
  21. Erkki Koskela & Rune Stenbacka, 2005. "Product Market Competition, Profit Sharing and Equilibrium Unemployment," CESifo Working Paper Series 1603, CESifo Group Munich.
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  23. Mark J. Garmaise & Tobias J. Moskowitz, 2006. "Bank Mergers and Crime: The Real and Social Effects of Credit Market Competition," Journal of Finance, American Finance Association, vol. 61(2), pages 495-538, 04.
  24. repec:hal:journl:halshs-00202292 is not listed on IDEAS
  25. Michelle Haynes & Steve Thompson, 1999. "Merger Activity and Employment: Evidence from the UK Mutual Sector," Empirica, Springer, vol. 26(1), pages 39-54, March.
  26. repec:cup:cbooks:9780521016919 is not listed on IDEAS
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