Expanding Approvals Rule: Difference between revisions

(Added more details about the EAR method and clarified some mischaracterization of the EAR method (which is a family of rules rather than a specific rule). I also added a summary of the properties of EAR according to the authors' publication. Finally, I corrected an error that appeared in the notes (the 2-winner example).)
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{{merge|Proportionality for Solid Coalitions|Bucklin Transferable Vote}}
The '''Expanding Approvals Rule''' ('''EAR'''), can be thought of as a sequential PR version of [[Bucklin voting|Bucklin Voting]] which can use the Droop quota. It works by first examining the 1st rank; any candidate with a Droop quota of 1st choices is elected, and a Droop quota of the ballots ranking them 1st are spent. Then, it examines both the 1st and 2nd ranks; any candidate ranked either 1st or 2nd by a Droop quota of ballots is elected, and a Droop quota of the ballots ranking them either 1st or 2nd are spent. And so on, until all ranks have been examined.