Similarities to STV?
Basically the same but STV elects multiple members
AV elects only one
Why AV
Recommended by Jenkins Commission 1998
Not been used anywhere in the world
How does it work?
Rank Candidates in order of preference
more than 50% - elected automatically
If no one 50%
candidate w fewest votes is eliminated and 2nd choices are re-allocated.
Continues until someone reaches 50% of more of vote
2011 Referendum
turnout - 42.2%
No Won - 67.9%
Advantages
All MPs would have wide ranging support from voters Retains MP/Constituency link Penalises extremist parties Reduces tactical voting Reduces no. of safe seats
Disadvantages
Av is not proportional
Could produce more disproportional results than FPTP
Voting system allows to rank candidates - ‘donkey voting’