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Empirical Methods in the Analysis of Collusion

  • Johannes Paha

    ()

    (Justus-Liebig-University Giessen)

Regression methods are commonly used in competition lawsuits for, e.g., determining overcharges in pricefixing cases. Technical evaluations of these methods' pros and cons are not necessarily intuitive. Appraisals that are based on case studies are descriptive but need not be universally valid. This paper opens up the black box called econometrics for competition cases. This is done by complementing theoretical arguments with estimation results. These results are obtained for data that is generated by a simulation-model of a collusive industry. Using such data leaves little room for debate about the quality of these methods because estimates of, e.g., overcharges can be compared to their true underlying values. This analysis provides arguments for demonstrating that thoroughly conducted econometric analyses yield better results than simple techniques such as before-and-after comparisons.

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File URL: http://www.uni-marburg.de/fb02/makro/forschung/magkspapers/33-2010_paha.pdf
File Function: First version, 2010
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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 201033.

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Length: 32 pages
Date of creation: 2010
Date of revision:
Publication status: Forthcoming in
Handle: RePEc:mar:magkse:201033
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  1. Rotemberg, Julio J & Saloner, Garth, 1986. "A Supergame-Theoretic Model of Price Wars during Booms," American Economic Review, American Economic Association, vol. 76(3), pages 390-407, June.
  2. Prokop, Jacek, 1999. "Process of dominant-cartel formation," International Journal of Industrial Organization, Elsevier, vol. 17(2), pages 241-257, February.
  3. Hausman, William J., 1984. "Cheap Coals or Limitation of the Vend? The London Coal Trade, 1770–1845," The Journal of Economic History, Cambridge University Press, vol. 44(02), pages 321-328, June.
  4. Heij, Christiaan & de Boer, Paul & Franses, Philip Hans & Kloek, Teun & van Dijk, Herman K., 2004. "Econometric Methods with Applications in Business and Economics," OUP Catalogue, Oxford University Press, number 9780199268016, March.
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