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Social interaction and conformism in a random utility model

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  • Barucci, Emilio
  • Tolotti, Marco

Abstract

We analyze a class of dynamic binary choice models with social interaction. Agents are heterogeneous and their degree of conformism (taste externality) changes over time endogenously. We show that social interaction in itself is not enough to observe multiple equilibria and that the equilibrium outcome is not necessarily a polarized society. The social outcome depends on the law of motion that drives the evolution of taste externality.

Suggested Citation

  • Barucci, Emilio & Tolotti, Marco, 2012. "Social interaction and conformism in a random utility model," Journal of Economic Dynamics and Control, Elsevier, vol. 36(12), pages 1855-1866.
    • Handle: RePEc:eee:dyncon:v:36:y:2012:i:12:p:1855-1866
    DOI: 10.1016/j.jedc.2012.06.005
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    Cited by:

    1. Simone Marsiglio & Marco Tolotti, 2018. "Endogenous growth and technological progress with innovation driven by social interactions," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 65(2), pages 293-328, March.
    2. Trevor Kollmann & Simone Marsiglio & Sandy Suardi & Marco Tolotti, 2021. "Social interactions, residential segregation and the dynamics of tipping," Journal of Evolutionary Economics, Springer, vol. 31(4), pages 1355-1388, September.
    3. He, Xue-Zhong & Li, Kai & Santi, Caterina & Shi, Lei, 2022. "Social interaction, volatility clustering, and momentum," Journal of Economic Behavior & Organization, Elsevier, vol. 203(C), pages 125-149.
    4. Cinzia Colapinto & Elena Sartori & Marco Tolotti, 2012. "A two-stage model for diffusion of innovations," Working Papers 16, Venice School of Management - Department of Management, Università Ca' Foscari Venezia.
    5. Colapinto, Cinzia & Sartori, Elena & Tolotti, Marco, 2014. "Awareness, persuasion, and adoption: Enriching the Bass model," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 395(C), pages 1-10.
    6. Simone Marsiglio & Marco Tolotti, 2020. "Motivation crowding‐out and green‐paradox‐like outcomes," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 22(5), pages 1559-1583, September.
    7. Simone Marsiglio & Marco Tolotti, 2024. "The tourism area life cycle hypothesis: A micro-foundation," Tourism Economics, , vol. 30(2), pages 345-360, March.

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    More about this item

    Keywords

    Conformism; Continuous time Markov chains; Mean field interaction; Random utility models; Social interaction;
    All these keywords.

    JEL classification:

    • D71 - Microeconomics - - Analysis of Collective Decision-Making - - - Social Choice; Clubs; Committees; Associations
    • D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
    • C62 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Existence and Stability Conditions of Equilibrium

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