[EM] C//A

Kristofer Munsterhjelm km_elmet at lavabit.com
Sun Jun 12 03:08:31 PDT 2011


fsimmons at pcc.edu wrote:
> Kristofer Munsterhjelmwrote ...
> 
>> Some methods pass the Condorcet criterion without seeming 
>> Condorcet-like 
>> at all. 
> 
> Here's a good example:
> 
> Initialize a variable X to be the candidate with the most approval.
> 
> While X is covered, let the new value of X be the highest approval candidate that covers the old X.
> 
> Elect the final value of X.
> 
> For all practical purposes this is just a seamless version of C//A, i.e. it avoids the apparent 
> abandonment of Condorcet in favor of Approval after testing for a CW.
> 
> 
> Assuming cardinal ballots, candidate  A covers candidate B, iff whenever B is rated above C on more 
> ballots than not, the same is true for A, and (additionally) A beats (in this same pairwise sense) some 
> candidate that B does not.

I would prefer this to C//A (even though I would prefer methods without 
approval cutoffs to both). However, it is more complex and the logic is 
harder to get at by the public, kind of like Ranked Pairs in that respect.




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