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Investment Decisions and Coordination Problems in a Market with Network Externalities: An Experimental Study

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  • Vincent Mak

    (CAM - University of Cambridge [UK])

  • Rami Zwick

    (Department of Management and Marketing - UC - University of California)

Abstract

We study decision-making and the associated coordination problems in an experimental setting with network externalities. Subjects decide simultaneously in every round how much to invest out of a fixed endowment; the gain from an investment increases with total investment, so that an investment is profitable iff total investment exceeds a critical mass. The game has multiple, Pareto-ranked equilibria; we find that whether first-round total investment reaches critical mass predicts convergence towards the Pareto optimal full-investment equilibrium. Moreover, first-round investments and equilibrium convergence vary with critical mass and group size in a complex way that is explicable by subtle effects of strategic uncertainty on decision making.

Suggested Citation

  • Vincent Mak & Rami Zwick, 2010. "Investment Decisions and Coordination Problems in a Market with Network Externalities: An Experimental Study," Post-Print hal-00911829, HAL.
  • Handle: RePEc:hal:journl:hal-00911829
    DOI: 10.1016/j.jebo.2010.08.017
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    Cited by:

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    2. Angelou, Georgios N. & Economides, Anastasios A., 2014. "Investment flexibility and competition modeling for broadband business," Telecommunications Policy, Elsevier, vol. 38(5), pages 438-448.
    3. Stefanos Leonardos & Iosif Sakos & Costas Courcoubetis & Georgios Piliouras, 2020. "Catastrophe by Design in Population Games: Destabilizing Wasteful Locked-in Technologies," Papers 2007.12877, arXiv.org.
    4. Masiliūnas, Aidas, 2017. "Overcoming coordination failure in a critical mass game: Strategic motives and action disclosure," Journal of Economic Behavior & Organization, Elsevier, vol. 139(C), pages 214-251.
    5. Xiao Han & Yun Yu & Bin Jia & Zi‐You Gao & Rui Jiang & H. Michael Zhang, 2021. "Coordination Behavior in Mode Choice: Laboratory Study of Equilibrium Transformation and Selection," Production and Operations Management, Production and Operations Management Society, vol. 30(10), pages 3635-3656, October.
    6. Arturo Basaure & Varadharajan Sridhar & Heikki Hämmäinen, 2016. "Adoption of dynamic spectrum access technologies: a system dynamics approach," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 63(2), pages 169-190, October.

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    More about this item

    Keywords

    Network externalities; critical mass; coordination; strategic uncertainty; multi-person game; experimental economics; C72; C92; D62;
    All these keywords.

    JEL classification:

    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • C92 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Group Behavior
    • D62 - Microeconomics - - Welfare Economics - - - Externalities

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