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Competing Activities in Social Networks

Author

Listed:
  • Mohamed Belhaj

    (GREQAM - Groupement de Recherche en Économie Quantitative d'Aix-Marseille - EHESS - École des hautes études en sciences sociales - AMU - Aix Marseille Université - ECM - École Centrale de Marseille - CNRS - Centre National de la Recherche Scientifique)

  • Frédéric Deroïan

    (GREQAM - Groupement de Recherche en Économie Quantitative d'Aix-Marseille - EHESS - École des hautes études en sciences sociales - AMU - Aix Marseille Université - ECM - École Centrale de Marseille - CNRS - Centre National de la Recherche Scientifique)

Abstract

A set of agents is organized in a social network, which conveys synergies in two activities. Each agent has one unit of a resource to allocate between two activities. We show that individual choices are shaped by Bonacich centrality measures and an attractiveness multiplier. The latter, combined with the elasticity of Bonacich centrality with respect to the intensity of interaction, drives the sign of the network reaction to a modication of the costs of activities.

Suggested Citation

  • Mohamed Belhaj & Frédéric Deroïan, 2010. "Competing Activities in Social Networks," Working Papers halshs-00481460, HAL.
    • Handle: RePEc:hal:wpaper:halshs-00481460
    Note: View the original document on HAL open archive server: https://shs.hal.science/halshs-00481460v1
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    Citations

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    Cited by:

    1. Ethan Cohen‐Cole & Xiaodong Liu & Yves Zenou, 2018. "Multivariate choices and identification of social interactions," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 33(2), pages 165-178, March.
    2. Koenig, Michael & Hsieh, Chih-Sheng & Liu, Xiaodong & Zimmermann, Christian, 2020. "Collaboration in Bipartite Networks, with an Application to Coauthorship Networks," CEPR Discussion Papers 15195, C.E.P.R. Discussion Papers.
    3. Jackson, Matthew O. & Zenou, Yves, 2015. "Games on Networks," Handbook of Game Theory with Economic Applications,, Elsevier.
    4. Koenig, Michael & Hsieh, Chih-Sheng & Liu, Xiaodong & Zimmermann, Christian, 2018. "Superstar Economists: Coauthorship networks and research output," CEPR Discussion Papers 13239, C.E.P.R. Discussion Papers.
    5. Kor, Ryan & Zhou, Junjie, 2023. "Multi-activity influence and intervention," Games and Economic Behavior, Elsevier, vol. 137(C), pages 91-115.
    6. Pritha Dev & Blessing U. Mberu & Roland Pongou, 2016. "Ethnic Inequality: Theory and Evidence from Formal Education in Nigeria," Economic Development and Cultural Change, University of Chicago Press, vol. 64(4), pages 603-660.
    7. Dev, Pritha & Mberu, Blessing & Pongou, Roland, 2013. "Communitarianism, Oppositional Cultures, and Human Capital Contagion: Theory and Evidence from Formal versus Koranic Education," MPRA Paper 46234, University Library of Munich, Germany, revised 15 Apr 2013.
    8. Zenou, Yves & Chen, Ying-Ju & Zhou, Junjie, 2015. "Multiple Activities for Socially-Connected Criminals," CEPR Discussion Papers 10709, C.E.P.R. Discussion Papers.
    9. Mauleon, Ana & Nanumyan, Mariam & Vannetelbosch, Vincent, 2024. "Ideal efforts and consensus in a multi-layer network game," LIDAM Discussion Papers CORE 2024023, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
    10. Parise, Francesca & Ozdaglar, Asuman, 2019. "A variational inequality framework for network games: Existence, uniqueness, convergence and sensitivity analysis," Games and Economic Behavior, Elsevier, vol. 114(C), pages 47-82.
    11. Belhaj, Mohamed & Deroïan, Frédéric, 2013. "Strategic interaction and aggregate incentives," Journal of Mathematical Economics, Elsevier, vol. 49(3), pages 183-188.
    12. Mauleon, Ana & Nanumyan, Mariam & Vannetelbosch, Vincent, 2025. "Dynamics of ideal efforts and consensus in a multi-layer network game," Mathematical Social Sciences, Elsevier, vol. 135(C).
    13. Ryan Kor & Junjie Zhou, 2021. "Multi-activity Influence and Intervention," Papers 2106.09410, arXiv.org, revised Nov 2022.
    14. Hanbat Jeong, 2024. "Dynamic Spatial Interaction Models for a Resource Allocator's Decisions and Local Agents' Multiple Activities," Papers 2411.13810, arXiv.org, revised Jul 2025.

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    Keywords

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    JEL classification:

    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • D85 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Network Formation

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