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Single-product versus uniform SSNIPs

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Author Info

  • Daljord, Øystein
  • Sørgard, Lars

Abstract

It is common to apply a SSNIP test with a uniform price increase on all products in the candidate market. We show that in situations with asymmetries - for example variations in revenues - a uniform SSNIP test may suggest that the relevant market should include more products even though it could be profitable to increase the price of only one product in the candidate market. Our results are illustrated with some findings from a survey in a local grocery market.

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File URL: http://www.sciencedirect.com/science/article/pii/S0144818811000214
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Bibliographic Info

Article provided by Elsevier in its journal International Review of Law and Economics.

Volume (Year): 31 (2011)
Issue (Month): 2 (June)
Pages: 142-146

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Handle: RePEc:eee:irlaec:v:31:y:2011:i:2:p:142-146

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Web page: http://www.elsevier.com/locate/irle

Related research

Keywords: SSNIP Market delineation Asymmetries;

References

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  1. 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.
  2. Roy J. Epstein & Daniel L. Rubinfeld, 2002. "Merger Simulation: A Simplified Approach with New Applications," Industrial Organization 0201002, EconWPA.
  3. Malcolm Coate & Joseph Simons, 2009. "Critical Loss vs. Diversion Analysis: Clearing up the Confusion," Antitrust Chronicle, Competition Policy International, vol. 12.
  4. Epstein, Roy J. & Rubinfeld, Daniel L., 2001. "Merger Simulation: A Simplified Approach with New Applications," Department of Economics, Working Paper Series qt9jt389nb, Department of Economics, Institute for Business and Economic Research, UC Berkeley.
  5. 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.
  6. Joseph Farrell & Carl Shapiro, 2010. "Antitrust Evaluation of Horizontal Mergers: An Economic Alternative to Market Definition," The B.E. Journal of Theoretical Economics, De Gruyter, vol. 10(1), pages 9.
  7. Rubinfeld, Daniel L. & Epstein, Roy J., 2001. "Merger Simulation: A Simplified Approach with New Applications," Competition Policy Center, Working Paper Series qt2sq9s8c8, Competition Policy Center, Institute for Business and Economic Research, UC Berkeley.
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