km_elmet at t-online.de
Sun Sep 17 11:12:07 PDT 2023
On 2023-09-17 18:14, Colin Champion wrote:
> Chris - as I understand it, there's no reason to expect Condorcet voting
> to produce satisfactory results if applied seat-by-seat to
> representative assemblies. Some voting theory texts have a disclaimer
> near the beginning: "We here discuss the election of a single
> office-holder (eg. a president); election of individual members to an
> assembly brings in additional considerations" (which are never discussed).
Plurality can be used as a rough semiproportional method that's
proportional under strategy (SNTV). But bloc Condorcet isn't. I suspect
that Condorcet failing to be at-large proportional when used for single
member districts is related to this quirk in Plurality. In a way,
Condorcet is too majoritarian.
> At any rate, if a country is governed by a parliamentary assembly,
> then the primary the aim of an election should be to produce an
> effective government whose policies are as close as possible to the
> consensus view of the electorate. This will not usually be achieved by
> giving each constituency a representative who is close to its local
> I made a proposal of my own a couple of years ago:
> My main concern was to avoid the minority governments which
> generally arise when FPTP is replaced by less crude methods. As for
> traction... I'm still its sole supporter.
I think a ranked party list method with a centrist-favoring bias would
work relatively well: to be what something like D'Hondt should have
been, and favor consensus/centrist kingmakers instead of random minor
parties or whatever party happens to get the most Plurality votes.
But I might be coming from a different perspective: in Norway, minority
governments are more common than not, and the legislature-executive
balance of power is much more in favor of the legislature than is common
elsewhere, but things generally work out. Using ranking and a
centrist/consensus bias would reduce the need for thresholds and ad-hoc
tweaks to Sainte-Laguë; they wouldn't eliminate minority governments
unless the bias were much harsher than I have in mind.
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