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Coherence and the Efficiency Hypothesis

In: Voting Paradoxes and Group Coherence

Author

Listed:
  • William V. Gehrlein

    (University of Delaware)

  • Dominique Lepelley

    (Université de La Réunion)

Abstract

The primary objective of this chapter is to evaluate the impact that the presence of various degrees of measures of group mutual coherence have on the Condorcet Efficiency of voting rules. The Efficiency Hypothesis suggests that the Condorcet Efficiency of voting rules should increase as voters’ preferences reflect increased levels of group mutual coherence. Some preliminary work has been conducted in this area, when attention is primarily focused on group mutual coherence, as measured by the proximity of voting situations to the condition of perfectly single-peaked preferences.

Suggested Citation

  • William V. Gehrlein & Dominique Lepelley, 2011. "Coherence and the Efficiency Hypothesis," Studies in Choice and Welfare, in: Voting Paradoxes and Group Coherence, chapter 0, pages 199-247, Springer.
    • Handle: RePEc:spr:stcchp:978-3-642-03107-6_6
    DOI: 10.1007/978-3-642-03107-6_6
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