Difference between revisions of "Bucklin voting"

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Bucklin is a [[voting system]] that can be used for single-member districts and also multi-member districts. It is also known as the Grand Junction system after Grand Junction, Colorado, where it was first proposed. It is closely related to the class of [[graded Bucklin systems]], in which equal and/or skipped rankings are allowed, which includes such systems as [[Majority Choice Approval]] (MCA). Modern theorists tend to prefer graded Bucklin systems over ungraded ones, as they usually comply better with criteria such as [[FBC]].
 
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The first round has no majority winner. Therefore the second rank votes are added. This moves Nashville and ChatanoogaChattanooga above 50%, so a winner can be determined. Since Nashville is supported by a higher majority (68% versus 58%), Nashville is the winner.
 
== Voter Strategy ==
 
Voters supporting a strong candidate have aan advantage to "Bullet Vote" (Only offer one ranking), in hopes that other voters will add enough votes to help their candidate win. This strategy is most secure if the supported candidate appears likely to gain many second rank votes.
 
In the above example, Memphis voters have the most first place votes and might not offer a second preference in hopes of winning, but this attempted strategy fails because they are not a second favorite from competitors.
== See also ==
 
* [[ER-Bucklin]]
 
[[Category:Single-winner voting methods]][[Category:Multi-winner voting methods]][[Category:Preferential voting methods]]
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