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Technical discussion of election methods

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Clarification about favorite

MO
Michael Ossipoff
Sun, Nov 6, 2016 8:25 PM

I'd better clarify that I didn't mean that ER Bucklin is my favorite
method. I merely meant that the version of ER Bucklin that I described is
my favorite Bucklin version.

Favorite methods, in order of preference:

  1. MDDTR
  2. 3-Slot ICT
  3. Approval
  4. Score
  5. ER Bucklin
  6. Bucklin (B or A)

MDDTR & 3-slot ICT have the advantage of CD in addition to FBC.
Obviously, as pairwise-count methods, requiring a wordier definition, and
without any use-precedent, they aren't likely to be feasible for a proposal
of a 1st reform from Plurality.

So, for a 1st reform from Plurality, it's likely limited to:

  1. Approval
  2. Score
  3. ER Bucklin
  4. Bucklin (B or A)

Bucklin(B or A) allows the voter the option of voting an approval set or a
Plain Bucklin ranking. Plain Bucklin is what I call the Bucklin that allows
no skipping or equal-ranking.

Can anyone post a list of methods that meet both FBC & CD?

I guess it would include:

MDDTR

3-Slot ICT

MMPO (discarded because of "Hitler with 2 votes")

NEO (not shown to be implementable in large elections)

If any NEO is implementable in large elections, my first impression is that
NEO(combo) has a better chance than NEO(cohort), but I'm not even sure of
that.

Michael Ossipoff

I'd better clarify that I didn't mean that ER Bucklin is my favorite method. I merely meant that the version of ER Bucklin that I described is my favorite Bucklin version. Favorite methods, in order of preference: 1. MDDTR 2. 3-Slot ICT 3. Approval 4. Score 5. ER Bucklin 6. Bucklin (B or A) MDDTR & 3-slot ICT have the advantage of CD in addition to FBC. Obviously, as pairwise-count methods, requiring a wordier definition, and without any use-precedent, they aren't likely to be feasible for a proposal of a 1st reform from Plurality. So, for a 1st reform from Plurality, it's likely limited to: 1. Approval 2. Score 3. ER Bucklin 4. Bucklin (B or A) Bucklin(B or A) allows the voter the option of voting an approval set or a Plain Bucklin ranking. Plain Bucklin is what I call the Bucklin that allows no skipping or equal-ranking. Can anyone post a list of methods that meet both FBC & CD? I guess it would include: MDDTR 3-Slot ICT MMPO (discarded because of "Hitler with 2 votes") NEO (not shown to be implementable in large elections) If any NEO is implementable in large elections, my first impression is that NEO(combo) has a better chance than NEO(cohort), but I'm not even sure of that. Michael Ossipoff