2009 Burlington mayoral election: Difference between revisions

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In March 2009, the city of [[w:Burlington,_Vermont|Burlington, Vermont]] held a mayoral election. Progressive Bob Kiss was elected, despite a 54% majority of voters expressing a preference for Democrat Andy Montroll over Kiss.<ref name=":1">{{Cite web|url=http://scorevoting.net/Burlington.html|title=Burlington Vermont 2009 IRV mayoral election|last=Gierzynski|first=Anthony|last2=Hamilton|first2=Wes|date=March 2009|website=RangeVoting.org|archive-url=|archive-date=|dead-url=|access-date=1 October 2017|quote=Montroll was favored over Republican Kurt Wright 56% to 44% ... and over Progressive Bob Kiss 54% to 46% ... In other words, in voting terminology, Montroll was a 'beats-all winner,' also called a 'Condorcet winner' ... However, in the IRV election, Montroll came in third! ... voters preferred Montroll over every other candidate ... Montroll is the most-approved|last3=Smith|first3=Warren D.}}</ref><ref name=":8">{{Cite journal|last=Ornstein|first=Joseph T.|last2=Norman|first2=Robert Z.|date=2014-10-01|title=Frequency of monotonicity failure under Instant Runoff Voting: estimates based on a spatial model of elections|journal=Public Choice|language=en|volume=161|issue=1–2|pages=1–9|doi=10.1007/s11127-013-0118-2|issn=0048-5829|quote=Although the Democrat was the Condorcet winner (a majority of voters preferred him in all two way contests), he received the fewest first-place votes and so was eliminated ... 2009 mayoral election in Burlington, VT, which illustrates the key features of an upward monotonicity failure}}</ref><ref>{{Cite journal|last=Lewyn|first=Michael|date=2012|title=Two Cheers for Instant Runoff Voting|url=|journal=Phoenix L. Rev.|language=en|volume=6|page=117|pages=|ssrn=2276015|quote=election where Democratic candidate for mayor was Condorcet winner but finished third behind Republican and 'Progressive'|via=}}</ref> As a result of the surprise outcome of the election, Burlington voters [[w:Instant-runoff_voting_in_the_United_States#2010_Burlington_repeal|narrowly voted to repeal IRV]], reverting to their [[Runoff voting|prior system of holding a runoff]] if no candidate receives over 40% of the vote.
 
== Pairwise results ==
 
PairwiseThis preferenceis combinationsthe results of the Burlington, Vermont mayoral election of 2009 had they used a pairwise method:<ref name=":3">{{Cite web|url=https://bolson.org/~bolson/2009/20090303_burlington_vt_mayor.html|title=2009 Burlington Mayor IRV Failure|last=Olson|first=Brian|date=2009|website=bolson.org|access-date=1 October 2017|quote=This is an IRV failure. The IRV result is clearly not what people actually wanted. More people liked Montroll over Kiss than the other way around, but IRV elected the loser.}}</ref><ref name=":2">{{Cite web|url=http://electowiki.org/wiki/2009_Burlington,_Vermont_Mayoral_Election|title=2009 Burlington, Vermont Mayoral Election|website=Electowiki|language=en|access-date=2018-01-03}}</ref>
==Further analysis==
 
*[http://bolson.org/~bolson/2009/20090303_burlington_vt_mayor.html Brian Olson's analysis of the election]
 
Pairwise preference combinations:<ref name=":3">{{Cite web|url=https://bolson.org/~bolson/2009/20090303_burlington_vt_mayor.html|title=2009 Burlington Mayor IRV Failure|last=Olson|first=Brian|date=2009|website=bolson.org|access-date=1 October 2017|quote=This is an IRV failure. The IRV result is clearly not what people actually wanted. More people liked Montroll over Kiss than the other way around, but IRV elected the loser.}}</ref><ref name=":2">{{Cite web|url=http://electowiki.org/wiki/2009_Burlington,_Vermont_Mayoral_Election|title=2009 Burlington, Vermont Mayoral Election|website=Electowiki|language=en|access-date=2018-01-03}}</ref>
{| class="wikitable"
| colspan="2" |
!Simpson
! Independent politician |Smith
! Wright
! Kiss
! Montroll
|-
! Andy Montroll ([[Democratic Party|Democrat]]<nowiki>) |</nowiki>
([[Democratic Party]]<nowiki>) |</nowiki>
| colspan="5" |4 wins and no losses
|4 Wins ↓
|-
! Bob Kiss ([[Vermont Progressive Party]])
([[Vermont Progressive Party]])
| colspan="4" |3 wins, 1 loss (3-1)
|1 Loss →
↓ 3 Wins
|4064 (AMMontroll) –
3476 (BK)
|-
! Kurt Wright ([[Republican]])
([[Republican|Republican Party]])
| colspan="3" |2 wins, 2 losses (2-2)
|2 Losses →
Line 34 ⟶ 27:
|4313 (BK) –
4061 (KW)
|4597 (AMMontroll) –
3664 (KW)
|-
Line 45 ⟶ 38:
|3944 (BK) –
3576 (DS)
|4570 (AMMontroll) –
2997 (DS)
|-
! James Simpson ([[Green Party]])
|0 wins, 4 losses (0-4)
|4 Losses →
Line 57 ⟶ 50:
|5514 (BK) –
844 (JS)
|6262 (AMMontroll) –
591 (JS)
|}
Line 68 ⟶ 61:
 
Montroll was therefore preferred over Kiss by 54% of voters, preferred over Wright by 56% of voters, over Smith by 60%, and over Simpson by 91% of voters.<ref>{{Cite web|url=https://www.electionscience.org/library/irv-and-core-support/|title=IRV and Core Support|website=The Center for Election Science|language=en-US|access-date=2019-12-04}}</ref><ref name=":9">{{cite web|url=http://rangevoting.org/Burlington.html|title=Burlington Vermont 2009 IRV mayoral election|website=RangeVoting.org|access-date=2016-04-01}}</ref>
 
==Pairwise results==
 
This is the results of the Burlington, Vermont mayoral election of 2009.
 
Pairwise tallies for each of the candidates are available on the following subpages:
 
*[[2009 Burlington, Vermont Mayoral Election - Kiss Voters|Schulze (Condorcet) results among Bob Kiss (P) voters]]
*[[2009 Burlington, Vermont Mayoral Election - Montroll Voters|Schulze (Condorcet) results among Andy Montroll (D) voters]]
*[[2009 Burlington, Vermont Mayoral Election - Smith Voters|Schulze (Condorcet) results among Dan Smith (I) voters]]
*[[2009 Burlington, Vermont Mayoral Election - Wright Voters|Schulze (Condorcet) results among Kurt Wright (R) voters]]
 
==Results with Copeland and First-Past-the-Post==
Line 431 ⟶ 413:
** (fill me in)
 
== Further analysis ==
 
*[http://bolson.org/~bolson/2009/20090303_burlington_vt_mayor.html Brian Olson's analysis of the election]
== Footnotes ==
Pairwise tallies for each of the candidates are available on the following subpages:
*[[2009 Burlington, Vermont Mayoral Election - Kiss Voters|Schulze (Condorcet) results among Bob Kiss (P) voters]]
*[[2009 Burlington, Vermont Mayoral Election - Montroll Voters|Schulze (Condorcet) results among Andy Montroll (D) voters]]
*[[2009 Burlington, Vermont Mayoral Election - Smith Voters|Schulze (Condorcet) results among Dan Smith (I) voters]]
*[[2009 Burlington, Vermont Mayoral Election - Wright Voters|Schulze (Condorcet) results among Kurt Wright (R) voters]]
=== Footnotes ===
<references />