[EM] STV and STV-PR

[Stephane Rouillon]

I understand.

James Gilmour a écrit :

> > Stephane Rouillon> Sent: 16 October 2006 21:18
> >
> > Sorry for asking a question most people already know, but
> > Is there any difference between STV and STV-PR systems or are
> > they simply two names for the same model? If not what is the
> > difference?
>
> In a word, no.  But as we all know, STV can be used in single-winner
> elections, when it will NOT give PR of anything, even when there are
> many single-winner elections, one in each single-member district.
> Fairshare (here in Scotland) adopted the term "STV-PR" during its
> campaign for STV-PR for local government elections because some
> opponents of PR jumped on the "STV" bandwagon to promote what we call
> the "Alternative Vote" and US reformers usually call "IRV", i.e. STV
> single-winner elections in each separate single-member district.  (We
> have 32 local councils with 18 to 80 members.)  We were concerned that
> public and media references to "STV" could be taken to mean what we did
> NOT want.
>
> Similarly, I avoid the term "PR" when referring to any specific voting
> system, because again, it suits some folk to blur the very clear
> distinction that exists between all forms of "Party PR" on the one hand
> and "STV-PR" on the other.   It is, however, useful to use the generic
> term "proportional representation" (PR) when you are making a contrast
> with a non-PR voting system like plurality or IRV.
>
> James