[EM] [instantrunoff] Drafft of CVD analysis about IRV vs. Condorcet Voting

[Ken Johnson]

>Message: 6
>Date: Fri, 02 Apr 2004 23:24:41 -0500
>From: Dave Ketchum <davek at clarityconnect.com>
>To: instantrunoff at yahoogroups.com
>Cc: election-methods <election-methods at electorama.com>, tbouricius at verizon.net
>Subject: [EM] Re: [instantrunoff] Drafft of CVD analysis about IRV vs. Condorcet Voting
>
>On Fri, 2 Apr 2004 10:11:03 EST democracyusa at aol.com wrote on instantrunoff:
>  
>
>>...
>>    
>>
>>As a first overall point, Kenneth Arrow won the Nobel Prize in part for 
>>proving that every single-seat election system inevitably violates some 
>>reasonable measure of "fairness," in at least some circumstances. It 
>>therefore is possible to find a flaw in every method of voting. That is, 
>>there is no such thing as a perfect voting system ...
>>    
>>
Wrong. Kenneth Arrow's famed theorem only applies to RANK methods. Case 
in point, CR and Approval satisfy Arrow's narrowly-defined standard of 
"perfection" (as suitably interpreted for rating methods).