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A Noncooperative Model of Contest Network Formation

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  • Kenan Huremovic

Abstract

In this paper we study a model of weighted network formation. The bilateral interaction is modeled as a Tullock contest game with the possibility of a draw. We describe stable networks under different concepts of stability. We show that a Nash stable network is either the empty network or the complete network. The complete network is not immune to bilateral deviations. When we allow for limited farsightedness, stable networks immune to bilateral deviations must be complete $M$-partite networks, with partitions of different sizes. The empty network is the efficient network. We provide several comparative statics results illustrating the importance of network structure in mediating the effects of shocks and interventions. In particular, we show that an increase in the likelihood of a draw has a non-monotonic effect on the level of wasteful contest spending in the society. To the best of our knowledge, this paper is the first attempt to model weighted network formation when the actions of individuals are neither strategic complements nor strategic substitutes.

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  • Kenan Huremovic, 2019. "A Noncooperative Model of Contest Network Formation," Papers 1901.07605, arXiv.org, revised May 2020.
  • Handle: RePEc:arx:papers:1901.07605
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    Cited by:

    1. Xu, Jin & Zenou, Yves & Zhou, Junjie, 2019. "Networks in Conflict: A Variational Inequality Approach," CEPR Discussion Papers 13647, C.E.P.R. Discussion Papers.
    2. Dziubiński, Marcin & Goyal, Sanjeev & Minarsch, David E.N., 2021. "The strategy of conquest," Journal of Economic Theory, Elsevier, vol. 191(C).
    3. Cortes-Corrales, Sebastián & Gorny, Paul M., 2018. "Generalising Conflict Networks," MPRA Paper 90001, University Library of Munich, Germany.
    4. Serhat Doğan & Kerim Keskin & Çağrı Sağlam, 2020. "Contests over joint production on networks," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 29(2), pages 377-400, April.
    5. Amarasinghe, Ashani & Raschky, Paul A. & Zenou, Yves & Zhou, Junjie, 2020. "Conflicts in Spatial Networks," CEPR Discussion Papers 14300, C.E.P.R. Discussion Papers.

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    More about this item

    JEL classification:

    • D85 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Network Formation
    • D74 - Microeconomics - - Analysis of Collective Decision-Making - - - Conflict; Conflict Resolution; Alliances; Revolutions

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