[EM] full rankings, voter desire for

Warren Smith wds at math.temple.edu
Sat Oct 15 07:58:55 PDT 2005


I did not say voters always want full rankings.

What I said was, I think there is a substantial SUBCLASS of elections,
in which, all voters (except perhaps for a few who are insane or writing
illegible ballots or something random like that) will want to provide full rankings.

If your voting method  misbehaves badly commonly when confronted with elections from within
that subclass, then it is not a good voting method.

That was all I claimed.  Now since I am asked for supporting evidence, I respond
that many books and many authors, simply refuse to consider truncated ballots.
Also some countries make them illegal.  I suggest to you, that much as you may
dislike this, there is a reason they did that, and it is not a good idea to
ignore it and pretend it does not exist when we design voting methods.

wds



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