[EM] Definition of preferential voting

[Dave Ketchum]

My only comment is that IRV and Condorcet should be BOTH IN or BOTH OUT:
      Ballot is identical.
      Voting is identical, except strategy can get involved in rare cases.
      They usually agree as to winner (it is easy to assume otherwise 
because test cases, unlike normal voting, are often picked to demonstrate 
and discus disagreement).

DWK

On Fri, 20 Aug 2004 00:38:54 +0200 Toplak Jurij wrote:

> During the last days the discussion on this list has focused primarily 
> on the terminology. Coincidently I am working on a paper that tries to 
> define "preferential voting".
> 
>  
> 
> Literature offers numerous understandings and definitions:
> 
> - 'preferential voting' is often used as a synonim for Alternative Vote 
> or IRV
> 
> - 'preferential voting' is sometimes used as another name for STV
> 
> - 'preferential voting' is often used to denote 'ranking methods' (thus 
> including STV, AV, Borda, etc.)
> 
> - 'preferential voting is often used to denote a preference for a single 
> candidate within List PR (this definition is used mainly in Europe)
> 
> - mathematicians put first-past-the-post in the group of preferential 
> voting schemes, but approval voting is not a member of this group
> 
> - some authors put US primaries under 'preferential voting' (Katz, for 
> instance)
> 
>  
> 
> Is it possible to define preferential voting at all?
> 
> I'd be grateful for any comments.
> 
>  
> 
> jure
> 
> 
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  Dave Ketchum   108 Halstead Ave, Owego, NY  13827-1708   607-687-5026
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