[extropy-chat] 2-party-system = 1-dimensional politics (was polls again)

[Rafal Smigrodzki]

Just to clarify, while I posted under the subject of 1-D politics, my
concern was not with the dimensionality of US politics but rather with
the genesis of the two-party system.

I wish I could read Swedish... :)

Rafal

On 11/9/06, Anders Sandberg <asa at nada.kth.se> wrote:
> I don't think 1D politics is due to 2 party systems. I did a PCA analysis
> of Swedish politics (a 7 party system with proportional representation)
> and found that it was dominated by just a single principal component (see
> diagram at http://www.eudoxa.se/politics/dimensioner.html, text
> unfortunately in Swedish). This component was the block structure of the
> ruling center-left alliance, and the much smaller subsequent components
> may hold ideological differences but could as well just be particular
> patterns of party alliances.
>
> My basic setup was similar to this
> http://www.ex-parrot.com/~chris/wwwitter/20040203-which_parliamentary_co-ordinate_are_you.html
> analysis of British politics, which uses majority voting and has a pretty
> strong tory-labour dimensionality. Here politics is also pretty 1D, but
> along simple left-right lines.
>
> Looking at co-sponsored bills in Sweden showed a far more complex network
> between the parliamentarians: http://www.eudoxa.se/politics/motioner.html
> When it comes to voting the policies have become 1D, but when they are
> still ideas and ideology they are quite multidimensional.
>
>
> --
> Anders Sandberg,
> Oxford Uehiro Centre for Practical Ethics
> Philosophy Faculty of Oxford University
>
>
>


-- 
Rafal Smigrodzki, MD-PhD
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