[EM] two "new" hybrid approval-ranking methods by Brams & Sanver

[Dgamble997 at aol.com]

Hello list
 
Correction - PAV (preference approval voting) and Ranked Approval are not  
identical. PAV requires complete rankings and uses those complete  rankings to 
determine the winner if two or more candidates have majority  approval. Ranked 
Approval requires only a partial ranking and assumes all  candidates ranked 
are approved.
 
 
Example
 
5 candidates, 100 votes.
 
49 AB|CDE
2 BA|DCE
19 C|DEBA
16 D|CEBA
14 E|CDBA
 
A would win under ranked approval, B would win under PAV. Under FV, the  
second method mentioned in Brams and Sanver's paper, A and B are tied.
 
David Gamble
 
 

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