[EM] A better Bucklin flavored FBC satisfying method

Paul Kislanko kislanko at airmail.net
Sat Sep 24 17:14:58 PDT 2005

I have no idea what this is. What does "collapse" something mean?


From: election-methods-electorama.com-bounces at electorama.com
[mailto:election-methods-electorama.com-bounces at electorama.com] On Behalf Of
Simmons, Forest 
Sent: Saturday, September 24, 2005 6:04 PM
To: election-methods-electorama.com at electorama.com
Subject: [EM] A better Bucklin flavored FBC satisfying method

Put some ideas from MDDA, Bucklin, and MMPO together, and what do you get?
I'll let Ted Stern name it, but here it is:
Collapse the top ranks as in Bucklin until (according to the collapsed
ballots) there is a candidate undefeated by a majority.
If, at that point, there is more than one candidate undefeated by a
majority, elect the candidate whose maximum pairwise opposition is minimal.
Note that in ordinary Bucklin the ordinal information below the eventual
stopping level is wasted.  It doesn't matter if four levels or fifty levels
are allowed, only the information in the top two or three levels ever gets
used, since almost all voters will put one of the two front runners
somewhere in the top two levels.
This new method remedies that.  Although it collapses ordinal information in
the top few ranks in order to find a level at which not all candidates are
majority defeated, it doesn't waste the remaining ordinal information.

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