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seocan


Posts: 58
Joined: Mar 2009
Last Visited: 13:35
12th Jun 2016
Elections
Date Posted: 20.16hrs on Fri 6 May 16
Central Scotland; SNP won all 9 constituency seats.
The regional vote was 129k for SNP, 67 for labour and 43 for Ruth. Labour gets 5 seats , tories get 2.
What is the maths behind the adjustment? Thats an overwnelming win in the regional vote for the SNP yet they get nothing.
Any ideas?
alan


Posts: 10621
Joined: Nov 1994
Last Visited: 23:47
19th Apr 2019
What's this?What's this?What's this?
Re: Elections
Date Posted: 17.56hrs on Sat 7 May 16
seocan Wrote:
Central Scotland; SNP won all 9 constituency seats.
The regional vote was 129k for SNP, 67 for labour and 43 for Ruth. Labour gets 5 seats , tories get 2.
What is the maths behind the adjustment? Thats an overwnelming win in the regional vote for the SNP yet they get nothing.
Any ideas?


It's a repetitive process until each of the 7 regional seats are filled. For each iteration the votes per party on the regional ballot are divided by the total number of seats within the region (both single member constituency and already allocated list seats) + 1.

Thus on the first iteration the maths is as follows:

SNP 129,000/(9+1) = 129,000/10 = 12,900
Labour 67,000/(0+1) = 67,000/1 = 67,000
Tory 43,000/(0+1) = 43,000/1 = 43,000

So Labour got the first list seat allocation.

Next iteration:

SNP 129,000/(9+1) = 129,000/10 = 12,900
Labour 67,000/(1+1) = 67,000/2 = 33,500
Tory 43,000/(0+1) = 43,000/1 = 43,000

So the 'Ruth Davidson' Party takes the second allocated seat on the list....

The regional ballot does not allocate seats proportional to the regional vote, it's a corrective measure to the inevitable non proportionality of the first past the post constituency results.

The SNP effectively 'broke' the system in 2011, they hit the sweet spot in terms of constituency seats and regional vote balance. This year the SNP did better in the constituency vote and ironically that enabled the corrective measure of the d'Hont system to actually work as intended and pull back the imbalance. In effect each constituency seat gained across Scotland cost the SNP 2 list seats. The SNP were just short of a majority of votes and came out just short of a majority of seats, so the system has worked pretty much as intended.

seocan


Posts: 58
Joined: Mar 2009
Last Visited: 13:35
12th Jun 2016
Re: Elections
Date Posted: 20.30hrs on Sat 7 May 16
Thanks for that Alan, I knew what the idea behind the distribution was, ie that no one party cleans up, but i'd have nevr have came up with that process in a month of elections.
growwild


Posts: 3436
Joined: Oct 2005
Re: Elections
Date Posted: 04.21hrs on Sat 21 May 16
Who dae ya vote for when they are aw wankers?

I couldnae even be arsed going and writing what I thought about them on the polling card... The snp are like the political wing of the church of Scotland and the other lot sold out or are murdering inbred scumbags.

I'd sort Scotland out in 420 days if I was king, putting a death tax on distilleries and the petrochemical industry tae fund my hempire...



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