Eliminating the Wrong candidate

Blake Cretney bcretney at my-dejanews.com
Mon Oct 19 08:25:28 PDT 1998

On Fri, 16 Oct 1998 07:18:22   New Democracy wrote:
>But Top Two Run-Off does have a flaw. When there are four or more
>candidates in which two or more are eliminated at one time, it is possible
>to eliminate the wrong candidate. The rule is that when two or more
On Sat, 17 Oct 1998 11:53:39   New Democracy wrote:
>     What I mean by the "Wrong Candidate" can be best shown by an example.
>Suppose the following count of the first choices:
>     80A  60B  40C  22D
>     It is not acceptable to drop candidate C at the same time we drop
>candidate D because the sum of the votes of C and D is greater than the
>votes of candidate B.
>     We do not know how many of the 22 voters of candidate D would vote for
>candidate C in a run-off election, but we must assume that it may be all of
>     If so, this would give 62 votes to candidate C and move him ahead of B.
>     In this example candidate C would be a wrong candidate to be dropped.

So the wrong candidate to be dropped is any candidate that is a possible
IRO winner, based on the first preference votes.

Because you used the possibility of dropping the wrong candidate as a
reason for the superiority of IRO over run-off, I expect you 
have some reason to believe these candidates should not be eliminated,
other than the simple fact that this may cause a different result from
IRO.  Could you explain this reason?


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