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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.

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Bibliographic Info

Article provided by Elsevier in its journal Journal of Economic Dynamics and Control.

Volume (Year): 36 (2012)
Issue (Month): 12 ()
Pages: 1855-1866

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Handle: RePEc:eee:dyncon:v:36:y:2012:i:12:p:1855-1866

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Web page: http://www.elsevier.com/locate/jedc

Related research

Keywords: Conformism; Continuous time Markov chains; Mean field interaction; Random utility models; Social interaction;

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References

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  1. Brock, William A. & Durlauf, Steven N., 2001. "Interactions-based models," Handbook of Econometrics, in: J.J. Heckman & E.E. Leamer (ed.), Handbook of Econometrics, edition 1, volume 5, chapter 54, pages 3297-3380 Elsevier.
  2. Paolo Dai Pra & Wolfgang J. Runggaldier & Elena Sartori & Marco Tolotti, 2007. "Large portfolio losses: A dynamic contagion model," Papers 0704.1348, arXiv.org, revised Mar 2009.
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  10. Horst, Ulrich & Rothe, Christian, 2008. "Queuing, Social Interactions, And The Microstructure Of Financial Markets," Macroeconomic Dynamics, Cambridge University Press, vol. 12(02), pages 211-233, April.
  11. Chang, Sheng-Kai, 2007. "A simple asset pricing model with social interactions and heterogeneous beliefs," Journal of Economic Dynamics and Control, Elsevier, vol. 31(4), pages 1300-1325, April.
  12. Cooper, Russell & John, Andrew, 1988. "Coordinating Coordination Failures in Keynesian Models," The Quarterly Journal of Economics, MIT Press, vol. 103(3), pages 441-63, August.
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Cited by:
  1. Cinzia Colapinto & Elena Sartori & Marco Tolotti, 2012. "A two-stage model for diffusion of innovations," Working Papers 16, Department of Management, Università Ca' Foscari Venezia.
  2. 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.

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