[Election-Methods] IRV ballot is at least as fair as FPTP ballot

Stéphane Rouillon stephane.rouillon at sympatico.ca
Fri Dec 28 08:29:09 PST 2007


Miss Dopp examples shows what I said before:
The problem she describes is real.
It exists too with  FPTP  (voters still have preferences even if the 
ballot does not allow voters to write their preferences)
Thus if IRV is declared unconstitutional on this basis, FPTP should be too.

S. Rouillon, ing., M.Sc.A , Ph.D.

Chris Benham a écrit :
> Kathy Dopp wrote:
> Wed Dec 26 15:41:47 PST 2007 
>
> One problem is that my second choice candidate may be
> eliminated in the first round and my first choice
> candidate not have success either - despite the fact
> that my second choice candidate is the most popular
> among all voters.
>
> For instance, this example, which is one of countably
> infinite examples where IRV elects the candidate not
> supported by most voters:
>
> 	Republican	Libertarian	Progressive	Democrat
> 1st choice	4	3	3	2
> 2nd choice	1	2	1	7
> 3rd choice	1	1	6	1
>
>
> I.e. in this example with 12 voters, the Democrat
> loses in the first round, even though the most number
> of persons supported the Democrat overall - letting
> the Republican win, even though the Republican (in
> this example) is not as widely supported as to other 
> candidates."
>
> Kathy,
> I would find your example much more comprehensible and
> interesting if it was presented as an "election
> profile" showing the voters' rankings, such as:
>
> 49:A
> 24:B
> 27:C>B
>
> In your example it is quite possible that the
> Republican is the sincere ratings winner, and also a
> point scoring method such as you advocate could elect
> the Republican if the arbitrary point schedule scores
> "first choices" much higher than second and third
> choices.
>
> What point schedule appeals to you, and how do you
> suggest truncation be handled?
>
> Do you support Approval?
>
> Chris Benham
>
>
>
>
>
>
>
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