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Power Sharing and Electoral Equilibrium

Listed author(s):
  • Alejandro Saporiti

This paper considers a model of (consensual) democracy where political parties engage first in electoral competition, and they share policy-making power afterward according with the votes gathered in the election. The paper uncovers the difficulties to guarantee stability in this institutional setting; and it provides a condition of symmetry on parties’ political motivations that ensures the existence of pure strategy equilibrium under a broad family of power sharing rules, ranging from fully proportional to winner-take-all. The equilibrium analysis shows that power sharing and ideology exert a centrifugal force on policy platforms that increases party polarization, with the paradoxical result that consensual democracies can actually lead to more radical electoral campaigns than winner-take-all. Copyright Springer-Verlag Berlin Heidelberg 2014

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File URL: http://hummedia.manchester.ac.uk/schools/soss/economics/discussionpapers/EDP-1301.pdf
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Paper provided by Economics, The University of Manchester in its series The School of Economics Discussion Paper Series with number 1301.

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Date of creation: 2013
Handle: RePEc:man:sespap:1301
Contact details of provider: Postal:
Manchester M13 9PL

Phone: (0)161 275 4868
Fax: (0)161 275 4812
Web page: http://www.socialsciences.manchester.ac.uk/subjects/economics/

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