Titlebook: Voting Procedures under Uncertainty; Hannu Nurmi Book 2002 Springer-Verlag Berlin Heidelberg 2002 Consensus.Election.Elections.Institution

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Results Based on Standard Model,levant alternatives, is a similar requirement. Both of these are very rare properties among voting systems that are actually being used. In this chapter we shall review some results on the standard model of voting. The basic observation to be made is that no perfect system exist. Indeed, any voting

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,Condorcet’s Rule and Preference Proximity,st preferred candidate: binary and positional. The former puts emphasis on pairwise comparisons of candidates, while the latter focuses on the positions occupied by candidates in the voters’ preference rankings. The binary notion was strongly advocated by Marquis de Condorcet in the late 18’th centu

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Responses to Changes in Voter Opinions,epresentatives in action, but some can be felt immediately as, for example, in cases where a voter realizes that he has marked a wrong symbol on the ballot slip. It would, of course, be desirable to adopt a voting procedure that performs reasonably well despite occasional human errors. In other word

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Mos Docendi Geometricus,above demonstrate, different systems may result in different outcomes for a given preference profile. In this chapter we outline a geometric approach to the analysis of voting outcomes. This approach has been introduced and developed by Donald Saari (see especially Saari 1995, 2001a, 2001b). We begi

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Conclusions,ters may have difficulty in accessing the information, the issues to be decided may be inherently complex, mistakes are possibly made (accidentally or on purpose) in transmitting information about policies . All these and other sources of uncertainty should be included in the models of voting and el

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Conclusions, on purpose) in transmitting information about policies . All these and other sources of uncertainty should be included in the models of voting and elections. In the preceding we have touched upon only a few aspects of the problem of modeling uncertainty, . those which can be dealt with existing methodological apparatus without essential changes.

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