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To how many politicians should government be left?

Author

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  • Klimek, Peter
  • Hanel, Rudolf
  • Thurner, Stefan

Abstract

We study opinion formation processes in small social networks. In particular we show how a group’s ability for efficient decision-making depends on its size. We adopt a threshold voter model and show that there exists a characteristic size beyond which the probability of forming internal factions–and thus absence of consensus–undergoes a qualitative change. Our work is empirically motivated by an apparent correlation between the size of a decision-making group and its performance in the particular case of national governments.

Suggested Citation

  • Klimek, Peter & Hanel, Rudolf & Thurner, Stefan, 2009. "To how many politicians should government be left?," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 388(18), pages 3939-3947.
    • Handle: RePEc:eee:phsmap:v:388:y:2009:i:18:p:3939-3947
    DOI: 10.1016/j.physa.2009.06.012
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    Citations

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    Cited by:

    1. Pluchino, Alessandro & Rapisarda, Andrea & Garofalo, Cesare, 2010. "The Peter principle revisited: A computational study," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 389(3), pages 467-472.
    2. Hendrix, Cullen & Noland, Marcus, 2015. "Myanmar: Cross-Cutting Governance Challenges," ADB Economics Working Paper Series 428, Asian Development Bank.
    3. Salvador Pueyo, 2014. "Ecological Econophysics for Degrowth," Sustainability, MDPI, vol. 6(6), pages 1-53, May.
    4. Pluchino, Alessandro & Garofalo, Cesare & Rapisarda, Andrea & Spagano, Salvatore & Caserta, Maurizio, 2011. "Accidental politicians: How randomly selected legislators can improve parliament efficiency," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 390(21), pages 3944-3954.

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