[EM] Are proposed methods asymptotically aproaching some limit of utility?
matt at kiatoa.com
Sun Mar 11 09:44:32 PDT 2007
I can't follow every thread but I'm starting to think that the search for
some perfect voting method is asymptotically approaching some sort of
That doesn't mean that the pursuit isn't useful but there is an academic
path and a pragmatic path. I want to know what to advocate in various
forums and what to implement on my own web site. My current choice would be
range voting. It is simple (only slightly harder to expain than approval)
and it seems to do a good job at leaving voters satisfied. It is hard to
imagine that more than 50% of the voters would be dissatisfied with the
results of a range vote.
I see several important qualities to consider:
1. How hard is the system to describe to others and to implement.
2. Will the ratio of people satisfied to dissatisifed with the results
be greater than 1. A "satisficity(*) ratio" if you will.
3. Voting effort. How much effort does it take to express your vote?
Voting system Complexity Satisficity(*) Voting Effort
------------------ --------------- --------------- ----------------
Pluratlity simple terrible low
Approval simple ok to good low
Condorcet complex good? medium
Range simple good medium
Based on what I know now I would settle on Range Voting. However for a while
I was dead set on approval voting and before that I was advocating IRV. Is
Range Voting "satisficient" or are its flaws or limitations serious enough
that there are many scenarios where it will fail to meet a satisficity
ratio of greater than one?
(*) My definition is "degree to which it satisfies" which may differ from
definitions found out on the web :-) and yes, I know I should be using
Bayesian Regret but a) don't really understand it and b) I like the sound
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