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Electoral systems (Proportional Representation (AMS (Advantages…
Electoral systems
Proportional Representation
AMS
Advantages
Proportional
Fair to smaller parties
Maintains MP/constituency link
Good for minorities
Possibility of single-party government
Allows voters wider choice
Avoids minority government
Disadvantages
Not as proportional as others due to FPTP element
Doubts about status of "top-up" members
Larger constituencies means less representation
Weak government
STV
Advantages
Most proportional
Ranking candidates = more choice
Multi-member constituencies means everyone is represented
Disadvantages
Complicates constituency link
Coalitions - risk of instability
CRPL
Advantages
Strong connection votes/seats
Fairer to small parties and minorities
More representation for minorities
Disadvantages
Power to parties as choose where candidates are on list
No choice of candidate
No constituency/MP link
Non-proportional Representation
AV
Disadvantages
Winning candidate may be "least unpopular candidate"
Outcome of election may be down to those who support small parties
Advantages
Less wasted votes than FPTP
More views influence vote as candidate needs 50%
SV
Advantages
Simpler than AV so can understand
Secondary votes encourages consensus
Disadvantages
Doesn't ensure winner has 50% of vote
Tactical voting may still happen
FPTP
Advantages
Strong and stable government
Strong constituency link
Single-party government
Disadvantages
Minority rule
Gerrymandering
Tactical voting
Safe/marginal seats
Not proportional
Two party system