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Spoil-Proofing Elections
Science News ^ | Week of March 15, 2008 | Julie J. Rehmeyer

Posted on 03/24/2008 7:39:18 AM PDT by neverdem

When Ralph Nader recently announced he was entering the 2008 presidential race, many Democrats groaned. It was his fault, they say, that George Bush defeated Al Gore in 2000. But Nader retorted that the Democratic Party has only itself to blame for the loss in 2000.

Mathematicians offer a different perspective. The problem, they say, doesn't lie with Nader or with the Democrats. It lies with our voting system.

Complaints about the obscure Electoral College system are common, but the mathematicians' objection is even more basic. Presidential elections in the United States are decided using a variation of a method known as plurality voting: each person votes for one candidate, and the candidate with the most votes wins.

Seems like the obvious approach—but obvious doesn't always mean effective. "The plurality vote is pretty much the worst voting system there is," says Donald Saari, a mathematician at the University of California, Irvine.

The 2000 election gave a vivid demonstration of plurality voting's limitations. Polls indicated that most people who voted for Nader would have preferred Gore to Bush. The votes for Nader and Gore combined in Florida would have beat Bush. But with the votes divided between them, Bush emerged the winner.

Though this example is especially dramatic, Saari has found that determining voters' preferences from their ballots is often tricky. For example, suppose three candidates, A, B, and C, are competing. The preferences of the voters are as follows:

(Excerpt) Read more at sciencenews.org ...


TOPICS: Culture/Society; Government; News/Current Events; Politics/Elections
KEYWORDS: 2000elections; elections; elections2000
IIRC, the vote for Pat Buchanan caused Bush to lose four states to Gore in 2000, i.e. had those Buchanan voters gone for Bush, then Bush would have beaten Gore in those states. Maybe those states included New Mexico, New Hampshire, Iowa and Wisconsin?

I believe it is Iowa, Oregon, Wisconsin and New Mexico

1 posted on 03/24/2008 7:39:18 AM PDT by neverdem
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To: neverdem

I don’t have any problems with “spoilers” on either side. Its called freedom, don’t ya know?


2 posted on 03/24/2008 7:40:57 AM PDT by Little Ray (McCain: If I have to. I guess...)
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To: neverdem
Had John Kerry carried Ohio by the same margin Bush did in 2004, it would have resulted in Kerry winning the presidency without winning the popular vote.

Of course, we'd not hear any criticism of the Electoral College had that happened. We'd be hearing the Democrats swooning over their wisdom that the Founding Fathers had in creating such a "perfect system."

3 posted on 03/24/2008 7:45:49 AM PDT by pnh102
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To: neverdem
Complaints about the obscure Electoral College system are common

Thank you Imperial Federal Government Schools.

4 posted on 03/24/2008 7:49:20 AM PDT by upchuck (Who wins doesn't matter. They're all liberals. Spend your time and money to take back Congress.)
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To: neverdem
From the article:
Though this example is especially dramatic, Saari has found that determining voters' preferences from their ballots is often tricky. For example, suppose three candidates, A, B, and C, are competing. The preferences of the voters are as follows:

Plurality voting would name A the winner, with 5 votes.

On the other hand, suppose one wanted the candidate that was least disliked. Six people rank A last, two people rank B last, and three people rank C last, so in that case, B should win.

Yet another method would be to assign 2 points for a first place vote, 1 point for second place and none for third. In this method, known as the Borda count, C walks away the winner with 12 points, beating out B's 11 points and A's 10.

So who should win the election?

Gotta disagree with this. We vote one candidate up and all others down. We don't rank them through our voting. Although that might be an interesting concept :)
5 posted on 03/24/2008 7:57:03 AM PDT by upchuck (Who wins doesn't matter. They're all liberals. Spend your time and money to take back Congress.)
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To: pnh102

If they get rid of the electoral college, I think they should get rid of Senators as well.
Why should Rhode Island have as much say as North Carolina.
Why should Teddy kennedy have as much say as a Senator from TX or CA?


6 posted on 03/24/2008 8:09:36 AM PDT by Holicheese (Beware your friendly air defenses!)
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To: upchuck
The problem with a points-based preference vote is that it's just as easy to manipulate.

In fact, I once did just that to get the outcome I wanted for an amateur fiction magazine I produced about 15 years ago. We had a circulation of about 30 or so.

I asked for a poll of the top 3 stories of the year, without stating how I was going to weigh the votes (because when I printed it, I really didn't know -- in fact, the poll was designed to kill an otherwise blank page).

Anyway, I couldn't decide whether to give a 3-2-1 score or a point for being listed or what. In the end, I gave it a 5-4-3 rating, for no other reason than to make sure that the one story mentioned on all the ballots actually won. No complaints. No calls for a recount.

Okay, enough of memory lane. Back to the thread ...

7 posted on 03/24/2008 8:16:52 AM PDT by Tanniker Smith (I kid because I love . . . and I loved and now have kids.)
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To: neverdem
The 2000 election gave a vivid demonstration of plurality voting's limitations. Polls indicated that most people who voted for Nader would have preferred Gore to Bush. The votes for Nader and Gore combined in Florida would have beat Bush. But with the votes divided between them, Bush emerged the winner.

Then the problem isn't with the system, its with the stupid people that vote for candidates that cannot possibly win as a protest of some sort, and are then shocked to find out that the greater evil (in their view) has won.

Innumeracy, that's the problem.

8 posted on 03/24/2008 8:17:03 AM PDT by Ancesthntr (An ex-citizen of the Frederation trying to stop Monica's Ex-Boyfriend's Wife from becoming President)
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To: upchuck

Here in Illinois we used Cumulative Voting until about 1980.
An unusual system that put Clinton X-pal Lani Guinier in the tank.


9 posted on 03/24/2008 8:21:12 AM PDT by DUMBGRUNT (The best is the enemy of the good!)
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To: neverdem

Bush carried New Hampshire in 2000 by 7,000 votes (Nader had 22,000). Without NH’s electoral votes in 2000, Bush would have lost the election. In 2004 Kerry carried NH by 9,000 votes.


10 posted on 03/24/2008 8:27:14 AM PDT by Verginius Rufus
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To: Holicheese
You are obviously unaware of my proposed Constitutional Amendment ( that's my fault)

Basically, Delaware and Rhode Island would both be represented by one Senator between them, who is neither a citizen of either state, or Arkansas. This would not be an elected position. I have volunteered to personally select that Senator, based on athletic ability and appropriate tailoring.

The term of office for this appointed Senator would be 18 months and he (or she) would be eligible for re-appointment if I felt like it. My short list features Jay Leno, although I don't think much of his athleticism.

11 posted on 03/24/2008 8:27:40 AM PDT by Kenny Bunk (GOP Plank: Double Domestic Crude Production. Increase refining capacity 50percent)
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To: neverdem

Is this like the “3rd world dictator voting system”?

I’m sure we can completely trust judgment calls made by those counting the ballots.


12 posted on 03/24/2008 8:31:20 AM PDT by Brett66 (Where government advances, and it advances relentlessly , freedom is imperiled -Janice Rogers Brown)
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To: Little Ray

Any method is likelyl to leave someone dissatisfied if they think they would have won by another method. Let’s keep the one we’ve got. It served America, and the world, well in 2004.


13 posted on 03/24/2008 8:41:27 AM PDT by chesley (Where's the omelet? -- Orwell)
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To: Kenny Bunk

I really like it. Why shoul da half assed state like Delaware have the sam say as North Carolina.
I would make one addition to your suggestion. The only way they could be re-appointed after 18 months is by defeating their opponent in two of the following:
1) Modern Pentathalon
2) Tango competition
3) Cliff diving from Alcapulco on an upcoming edition of Wide World of Sports.


14 posted on 03/24/2008 8:44:02 AM PDT by Holicheese (Beware your friendly air defenses!)
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To: neverdem
"Seems like the obvious approach—but obvious doesn't always mean effective. "The plurality vote is pretty much the worst voting system there is," says Donald Saari, a mathematician at the University of California, Irvine."

I actually tend to agree with him. Clintoon and Jesse Ventura were both elected because of pluralities, and not majorities.

15 posted on 03/24/2008 10:00:30 AM PDT by TypeZoNegative (I'm An American Engaged To Another American, we're not a mixed couple.)
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To: Holicheese
Modern Pentathalon
2) Tango competition
3) Cliff diving from Alcapulco on an upcoming edition of Wide World of Sports.

Excellent suggestions! I had thought of Snowboarding with Automatic Weapons winner take all.

And this is also one reason I made citizens of these two lugubrious locales ineligible for the post. If one were to judge from Claiborne Pell or Joe Biden, these small state people apparently have a very hard time simultaneously walking and chewing gum, and could be seriously injured on their way to the deciding events.

16 posted on 03/24/2008 11:47:33 AM PDT by Kenny Bunk (GOP Plank: Double Domestic Crude Production. Increase refining capacity 50percent)
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To: neverdem

This is a stupid and too complex system from my brief perusal.

The better solution would be for someone to vote, like in this system, for their preferred candidates in order.

If the number of first choice votes doesn’t yield 50% + 1 votes, then you count the first and second choices. If this doesn’t yield the majority, go further down.


17 posted on 03/24/2008 11:50:46 AM PDT by MrB (You can't reason people out of a position that they didn't use reason to get into in the first place)
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