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A Full Equilibrium Relevant Market Test: Application to Computer Servers

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  • Ivaldi, Marc
  • Lörincz, Szabolcs
Abstract
The paper defines, implements and compares two empirical tests of relevant markets. While the traditional SSNIP test compares an initial industry equilibrium to an out-of-equilibrium situation, the FERM test, our contribution, compares the same initial equilibrium to an other equilibrium outcome. Hence, it is more in line with the behavioural assumptions of the underlying model of industry equilibrium and this can have significant consequences. We define these concepts formally and apply them to the industry of computer servers by estimating a model on a large dataset. We find several smaller relevant markets in the low-end segment of servers.

Suggested Citation

  • Ivaldi, Marc & Lörincz, Szabolcs, 2005. "A Full Equilibrium Relevant Market Test: Application to Computer Servers," CEPR Discussion Papers 4917, C.E.P.R. Discussion Papers.
    • Handle: RePEc:cpr:ceprdp:4917
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    References listed on IDEAS

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    1. Jerome Foncel & Marc Ivaldi, 2005. "Operating System Prices In The Home Pc Market," Journal of Industrial Economics, Wiley Blackwell, vol. 53(2), pages 265-297, June.
    2. Randy Brenkers & Frank Verboven, 2005. "Market definition with differentiated products: lessons from the car market," Working Papers of Department of Economics, Leuven 657395, KU Leuven, Faculty of Economics and Business (FEB), Department of Economics, Leuven.
    3. repec:cup:etheor:v:13:y:1997:i:2:p:185-213 is not listed on IDEAS
    4. Steven T. Berry, 1994. "Estimating Discrete-Choice Models of Product Differentiation," RAND Journal of Economics, The RAND Corporation, vol. 25(2), pages 242-262, Summer.
    5. Cardell, N. Scott, 1997. "Variance Components Structures for the Extreme-Value and Logistic Distributions with Application to Models of Heterogeneity," Econometric Theory, Cambridge University Press, vol. 13(2), pages 185-213, April.
    6. Berry, Steven & Levinsohn, James & Pakes, Ariel, 1995. "Automobile Prices in Market Equilibrium," Econometrica, Econometric Society, vol. 63(4), pages 841-890, July.
    7. Igal Hendel, 1999. "Estimating Multiple-Discrete Choice Models: An Application to Computerization Returns," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 66(2), pages 423-446.
    8. Frank Verboven, 1996. "International Price Discrimination in the European Car Market," RAND Journal of Economics, The RAND Corporation, vol. 27(2), pages 240-268, Summer.
    9. Ivaldi, Marc & Verboven, Frank, 2005. "Quantifying the effects from horizontal mergers in European competition policy," International Journal of Industrial Organization, Elsevier, vol. 23(9-10), pages 669-691, December.
    Full references (including those not matched with items on IDEAS)

    Citations

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    Cited by:

    1. Szabolcs Lorincz, 2005. "Persistence Effects in a Dynamic Discrete Choice Model - Application to Low-End Computer Servers," CERS-IE WORKING PAPERS 0510, Institute of Economics, Centre for Economic and Regional Studies.
    2. Argentesi, Elena & Ivaldi, Marc, 2005. "Market Definition in Printed Media Industry: Theory and Practice," IDEI Working Papers 376, Institut d'Économie Industrielle (IDEI), Toulouse.
    3. Ivaldi Marc & Lőrincz Szabolcs, 2011. "Implementing Relevant Market Tests in Antitrust Policy: Application to Computer Servers," Review of Law & Economics, De Gruyter, vol. 7(1), pages 29-71, April.
    4. Lapo Filistrucchi, 2008. "A SSNIP test for two-sided markets: the case of media," Working Papers 08-34, NET Institute, revised Oct 2008.
    5. Filistrucchi, L. & Gerardin, D. & van Damme, E.E.C. & Keunen, S. & Klein, T.J. & Michielsen, T.O. & Wileur, J., 2010. "Mergers in Two-Sided Markets - A Report to the NMa," Other publications TiSEM f901d1fe-8878-444e-a685-8, Tilburg University, School of Economics and Management.
    6. Eduardo P. S. Fiuza, 2015. "Relevant Market Delineation and Horizontal Merger Simulation: A Unified Approach," Discussion Papers 0185, Instituto de Pesquisa Econômica Aplicada - IPEA.

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    More about this item

    Keywords

    Relevant market tests; Differentiated products; Computer servers;
    All these keywords.

    JEL classification:

    • C33 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Models with Panel Data; Spatio-temporal Models
    • L41 - Industrial Organization - - Antitrust Issues and Policies - - - Monopolization; Horizontal Anticompetitive Practices
    • L63 - Industrial Organization - - Industry Studies: Manufacturing - - - Microelectronics; Computers; Communications Equipment

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