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Adjustment and social choice

Author

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  • Weisbuch, Gérard
  • Stauffer, Dietrich

Abstract

We discuss the influence of information contagion on the dynamics of choices in social networks of heterogeneous buyers. Starting from an inhomogeneous cellular automata model of buyers dynamics, we show that when agents try to adjust their reservation price, the tatonnement process does not converge to equilibrium at some intermediate market share and that large amplitude fluctuations are actually observed. When the tatonnement dynamics is slow with respect to the contagion dynamics, large periodic oscillations reminiscent of business cycles appear.

Suggested Citation

  • Weisbuch, Gérard & Stauffer, Dietrich, 2003. "Adjustment and social choice," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 323(C), pages 651-662.
    • Handle: RePEc:eee:phsmap:v:323:y:2003:i:c:p:651-662
    DOI: 10.1016/S0378-4371(03)00010-4
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    References listed on IDEAS

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    1. Gerard Weisbuch & Sorin Solomon & Dietrich Stauffer, 2002. "Social Percolation and Self-Organized Criticality," Computing in Economics and Finance 2002 203, Society for Computational Economics.
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    Cited by:

    1. Jean Pierre Nadal & Denis Phan & Mirta B. Gordan & Jean Vannimenus, 2003. "Monopoly Market with Externality: an Analysis with Statistical Physics and ACE," Computational Economics 0312002, University Library of Munich, Germany.
    2. Gordon, Mirta B. & Nadal, Jean-Pierre & Phan, Denis & Vannimenus, Jean, 2005. "Seller's dilemma due to social interactions between customers," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 356(2), pages 628-640.
    3. Denis Phan, 2006. "Discrete Choices under Social Influence:Generic Properties," Post-Print halshs-00105857, HAL.
    4. E. Samanidou & E. Zschischang & D. Stauffer & T. Lux, 2007. "Agent-based Models of Financial Markets," Papers physics/0701140, arXiv.org.
    5. Gunter M. Schutz & Fernando Pigeard de Almeida Prado & Rosemary J. Harris & Vladimir Belitsky, 2007. "Short-time behaviour of demand and price viewed through an exactly solvable model for heterogeneous interacting market agents," Papers 0801.0003, arXiv.org, revised Jun 2009.
    6. E. Samanidou & E. Zschischang & D. Stauffer & T. Lux, 2001. "Microscopic Models of Financial Markets," Papers cond-mat/0110354, arXiv.org.
    7. Schütz, Gunter M. & de Almeida Prado, Fernando Pigeard & Harris, Rosemary J. & Belitsky, Vladimir, 2009. "Short-time behaviour of demand and price viewed through an exactly solvable model for heterogeneous interacting market agents," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 388(19), pages 4126-4144.
    8. Jean Philippe Bouchaud & Matteo Marsili & Jean-Pierre Nadal, 2023. "Application of spin glass ideas in social sciences, economics and finance," Post-Print hal-04145594, HAL.
    9. Aal, P.K. & Sousa, K.R. de A. & Salles, L.S.A. de Campos & Koehler, M., 2021. "Liquidity externality in a market of buying adjustable agents," Chaos, Solitons & Fractals, Elsevier, vol. 152(C).
    10. Jean-Pierre Nadal & Denis Phan & Mirta Gordon & Jean Vannimenus, 2005. "Multiple equilibria in a monopoly market with heterogeneous agents and externalities," Quantitative Finance, Taylor & Francis Journals, vol. 5(6), pages 557-568.
    11. Jean-Pierre Nadal & Denis Phan & Mirta B. Gordon & Jean Vannimenus, 2003. "Monopoly Market with Externality: an Analysis with Statistical Physics and Agent Based Computational Economics," Papers cond-mat/0311096, arXiv.org.
    12. Jean-Philippe Bouchaud & Matteo Marsili & Jean-Pierre Nadal, 2023. "Application of spin glass ideas in social sciences, economics and finance," Papers 2306.16165, arXiv.org.

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    1. E. Samanidou & E. Zschischang & D. Stauffer & T. Lux, 2001. "Microscopic Models of Financial Markets," Papers cond-mat/0110354, arXiv.org.
    2. E. Samanidou & E. Zschischang & D. Stauffer & T. Lux, 2007. "Agent-based Models of Financial Markets," Papers physics/0701140, arXiv.org.

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