where is it ?
london mayoral
police and crime commissinor
how it works ?
-if a candinate does not get more than 50% all candidates except the top 2 are eliminated.
-they use the second preference vote to find one overall winner
-sadiq khan had the vote to win his mayor elections
advantages ?
-ensures broad support for the winner
-simple and straight foward
-it has allowed some independance candidates to win
disadvantages ?
-SV is not proportinal
-the winner does not need to be an absouloute majority of votes cast
-