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Network Externalities and the Dynamics of Markets

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Author Info

  • M. Keilbach
  • M. Posch

Abstract

The evolution of markets on which network externalities prevail can be expected to differ from "classical markets" where no such externalities exist. We suggest a flexible formal model that describes the dynamics od types of markets. This leads to a stochastic version of the well known replicator dynamics. Based on this approach we analyze the limit behavior of different market types where consumers use stochastic decision rules. We show that market shares converge to the set of equilibria with probability one, where, even under network externalities, several technologies can coexist. On the other hand, even if no network externalities prevail it is possible that only one technology stays in the market. This paper contributes to the work on generalized urn schemes and path dependent processes going on at IIASA.

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File URL: http://www.iiasa.ac.at/Publications/Documents/IR-98-089.pdf
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Bibliographic Info

Paper provided by International Institute for Applied Systems Analysis in its series Working Papers with number ir98089.

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Date of creation: Nov 1998
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Handle: RePEc:wop:iasawp:ir98089

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  1. Brian Arthur, W. & Ermoliev, Yu. M. & Kaniovski, Yu. M., 1987. "Path-dependent processes and the emergence of macro-structure," European Journal of Operational Research, Elsevier, vol. 30(3), pages 294-303, June.
  2. Church, Jeffrey & Gandal, Neil, 1993. "Complementary network externalities and technological adoption," International Journal of Industrial Organization, Elsevier, vol. 11(2), pages 239-260, June.
  3. Arthur, W Brian, 1993. "On Designing Economic Agents That Behave Like Human Agents," Journal of Evolutionary Economics, Springer, vol. 3(1), pages 1-22, February.
  4. Katz, Michael L & Shapiro, Carl, 1985. "Network Externalities, Competition, and Compatibility," American Economic Review, American Economic Association, vol. 75(3), pages 424-40, June.
  5. Katz, Michael L & Shapiro, Carl, 1986. "Technology Adoption in the Presence of Network Externalities," Journal of Political Economy, University of Chicago Press, vol. 94(4), pages 822-41, August.
  6. Martin Posch, 1997. "Cycling in a stochastic learning algorithm for normal form games," Journal of Evolutionary Economics, Springer, vol. 7(2), pages 193-207.
  7. David, Paul A, 1985. "Clio and the Economics of QWERTY," American Economic Review, American Economic Association, vol. 75(2), pages 332-37, May.
  8. Dosi, Giovanni & Ermoliev, Yuri & Kaniovski, Yuri, 1994. "Generalized urn schemes and technological dynamics," Journal of Mathematical Economics, Elsevier, vol. 23(1), pages 1-19, January.
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Cited by:
  1. João Leão & Vasco Santos, 2008. "New Network Goods," Working Papers Series 1 ercwp2308, ISCTE-IUL, Business Research Unit (BRU-IUL).
  2. Max Keilbach, 1999. "Network Externalities and the Path Dependence of Markets: Will Bill Gates Make It?," Computing in Economics and Finance 1999 711, Society for Computational Economics.

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