[EM] Methods, and the criteria they satisfy

Markus Schulze markus.schulze at alumni.tu-berlin.de
Sun Sep 28 11:06:01 PDT 2003


Dear Bart,

you wrote (28 Sep 2003):
> I think when mentioning criteria, it's a good idea to also state why
> those criteria might be important.  For example, to me criteria such as
> FBC and Participation are important because they relate to a voting
> system's immunity to the Duverger effect.
>
> Approval meets both of these criteria, while the Condorcet methods
> appear to meet them whenever a CW is present.  Borda and IRV fail these
> criteria under a wider variety of conditions, therefore both would tend
> to reinforce the two-party system, and to restrict the number of viable
> choices available to voters in non-partisan elections.

Borda satisfies participation.

Markus Schulze



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