Dharma (subscribed lists) wrote:

> What are the views on this sort of electoral system - is it proportional
>
representation or disproportional.

<< the top 2 parties gets 40% of the seats each and the the 3rd party gets 20% >>
> The result, assuming the following numbers of electors:
>
> A - 30
> B - 90
> C - 15

Are the electors assigned in proportion to the popular support for the
parties?

> A - 30 get a percentage of 24/60 votes
> B - 90 get a percentage of 24/60 votes
> C - 15 get a percentage of 12/60 votes
>
> Then reducing each down to one person
>
> A - 1 person gets 1.333% of the election rights
> B - 1 person gets 0.444% of the election rights
> C - 1 person gets 1.333% of the election rights
>
> The vote of a B is worth only 1/3rd of any other vote.

Right, this gives less voting power to electors from group A.

However, this is not necessarily a bad thing. For example, party
A might assign 90 electors even though it has only 40% of the
popular vote. In effect, each party would decide if it wants lots
of low power representatives or a small number of high power
representatives. I doubt that is what you meant though ?

However, an issue with the suggestion is that it gives all 3
parties equal power if they block vote. Any two parties will
have 50%+ of the vote. This means that even though party C is
the weakest party, it gets equal say to the other 2. If the
top 2 parties don't maintain party discipline, then party C's
power is somewhat diminished as in a free vote, co-operation
between the top 2 parties is improved.

What is the reason for suggesting this system ? I assume it is
to guarantee that a 3rd party exists, or is it to ensure that no
party gets an outright majority ?

(assuming that it won't defeat the purpose)
What about having the rule recognising when a party gets an outright
majority.

A is the largest party. B is next and C is 3rd largest.

Voters can vote for any party, but only the top 3 parties gets any seats.

if A gets > 50%, the split is:

A: 55%
B: 30%
C: 15%

If A gets more than 1/3 and <= 50%

A: 45%
B: 35%
C: 25%

If A gets < 1/3 (can only happen with a 4th party "spoiling")

A: 35%
B: 33%
C: 32%

Such a system isn't very fair on the 4th party. Also, proportional
systems can ensure that a party gets an exact percentage to match its
popular support.

I think something like asset voting, PR-STV or even the open party
list method would be better. They all allow more parties to exist
than 3.

I think that preventing 1 party from dominating is best served
by having a system that allows multiple parties to exist rather than
force it . However, ideally, the voting system should not
recognise the existance of parties at all.

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