On Jun 22, 2008, at 6:52 , Kathy Dopp wrote:
5. Change the rules (or is the rule for your new voting method always
"approve a number of top candidates equal to the total number of
candidates minus one" for each voter?) and this time drop all except
the top two choices of voters and give the remaining candidates one
approval vote each.
In the examples voters seem to have range style personal utilities,
based on which they then decide how to vote in Approval. The election
method can thus be basic Approval (as Chris said).
The key assumption seems to be that the available set of candidates
may influence on which ones will be approved (i.e. irrelevant
alternatives may have an impact in Approval). For example, if there
are only "good" candidates then the voter is likely to approve some
of them and not approve some of them. If one adds some "bad"
candidates to the candidate list then the voter possibly approves all
the "good" candidates (although their utility values are still the
same) and does not approve the "bad" candidates.
In the examples of Chris it was always quite clear which candidates
were the better ones and which ones were the worse ones if the voter
wants to split them in two groups (which is a sensible approach to
vote in Approval).
Juho
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