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Causes and effects of multimarket activity from theory to empirical analysis

  • Davide Vannoni

In this paper some of the results emerged in the empirical literature on diversification are put into perspective against the background of a simple integrative model of multiproduct firms. By letting diversification strategies depend on the simultaneous play of four factors (demand relationships and technological links between goods, collusion within a market and across markets), the latter provides an illustrative framework which is useful to discuss how effectively the issue of ambiguous findings has been tackled in applied works. In some cases scholars have devoted substantial effort in order to build tests which can successfully discriminate among the different views on the causes and effects of diversification, while in other circumstances empirical investigations have been conducted with much less care. Other then criticising some of the methods used in the past, the paper provides a number of suggestions that can help guiding future empirical work on corporate diversification. Copyright © 2004 John Wiley & Sons, Ltd.

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File URL: http://hdl.handle.net/10.1002/mde.1143
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Article provided by John Wiley & Sons, Ltd. in its journal Managerial and Decision Economics.

Volume (Year): 25 (2004)
Issue (Month): 3 ()
Pages: 163-174

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Handle: RePEc:wly:mgtdec:v:25:y:2004:i:3:p:163-174
Contact details of provider: Web page: http://www3.interscience.wiley.com/cgi-bin/jhome/7976

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  1. Aiginger, Karl & Mueller, Dennis C. & Weiss, Christoph, 1998. "Objectives, topics and methods in industrial organization during the nineties: Results from a survey," International Journal of Industrial Organization, Elsevier, vol. 16(6), pages 799-830, November.
  2. Vannoni Davide, 1999. "Empirical Studies on Corporate Diversification," Rivista italiana degli economisti, Società editrice il Mulino, issue 1, pages 107-136.
  3. repec:cup:cbooks:9780521430159 is not listed on IDEAS
  4. B. Douglas Bernheim & Michael D. Whinston, 1990. "Multimarket Contact and Collusive Behavior," RAND Journal of Economics, The RAND Corporation, vol. 21(1), pages 1-26, Spring.
  5. Feinberg, Robert M., 1984. "Mutual forbearance as an extension of oligopoly theory," Journal of Economics and Business, Elsevier, vol. 36(2), pages 243-249, May.
  6. Fernandez, Nerea & Marin, Pedro L, 1998. "Market Power and Multimarket Contact: Some Evidence from the Spanish Hotel Industry," Journal of Industrial Economics, Wiley Blackwell, vol. 46(3), pages 301-15, September.
  7. Frank R. Lichtenberg, 1990. "Industrial De-Diversification and its Consequences for Productivity," NBER Working Papers 3231, National Bureau of Economic Research, Inc.
  8. repec:cup:cbooks:9780521022583 is not listed on IDEAS
  9. Xavier Vives, 2001. "Oligopoly Pricing: Old Ideas and New Tools," MIT Press Books, The MIT Press, edition 1, volume 1, number 026272040x, June.
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