On Apr 17, 2007, at 9:54 AM, James Gilmour wrote: >> From: Howard Swerdfeger > Sent: 17 April 2007 17:37 >> >> Tactical voting is easy in STV. >> >> Step 1 : Determine what your preferred ranking is. >> Step 2 : Determine who is sure to lose the election >> Step 3 : Rank all candidates you are sure will loose above >> the rest of your "real" list > >> The only flaw that I see is if you elect someone from your >> "sure to lose list". > > Precisely!! > > If enough other voters pick on the same "loser" because they are > playing > the same game, your "loser" will become a "winner". There is good > evidence from real public elections with STV-PR that attempts at > tactical voting of this kind are unwise. The only good advice for > STV-PR public elections, i.e. with large numbers of voters whose > preferences you cannot possibly know, is "Do NOT attempt to vote > tactically. Vote positively for the candidates you really want". > James Gilmour
Alternatively, use Meek's or Warren's method, either of which is immune to this particular strategy. ---- election-methods mailing list - see http://electorama.com/em for list info