Using examples, discuss the advantages/disadvantages of proportional representation systems compared to the ‘first past the post’ system as used in parliamentary elections in the UK.

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Using examples, discuss the advantages/disadvantages of proportional representation systems compared to the 'first past the post' system as used in parliamentary elections in the UK.

The United Kingdom, along with a few British influenced states including Canada, maintains the 'first past the post' or 'plurality' system of translating votes into seats in Parliament (Hague 1998). Growing controversy about electoral systems has centred on the rules for translating votes into seats and many have argued that the UK should join the rest of Europe in converting to a system of proportional representation (PR). PR systems attempt to distribute seats in direct proportion to votes. In the plurality system elections are won by the party/individual who gets the most votes. It's the simplest of the electoral systems and is easily understood and employed. Other countries employ a wide range of alternatives, most incorporating some form of PR. Though there are many variations the main PR systems are the party list system, the single transferable vote (STV) and the additional member system (AMS), as used in Germany. Whether or not plurality is the best system has long been debated. By 1920 Britain was the only democratic country in Western Europe not to have adopted some form of PR (Hain 1986).

Advocates of the plurality system, including Peter Hain (1986), besides arguing that the plurality system is the simplest system, maintain that it's preferable to alternative systems for other reasons. Without needing to put down multiple choices, the ballot paper is easy to fill in. The ability for voters to make decisions about clear political policy programmes means elections revolving around the candidates' personalities are discouraged. Plurality results in single member constituencies, which provide for a direct relationship between MPs and constituents. It means that MPs selected by their local party should remain accountable for that area and constituents can vote out any seen to be failing to respond to local needs. There is also a clear winner and candidates can't be elected as a result of 2nd, 3rd or 4th preferences, possibly even beating those with more 1st preferences. The system also permits major changes in policy and direction. Hain argues that voters have more scope to determine the government and elections are less likely to result in a tie with no government elected. Also, the danger of having large numbers of parties standing in elections and shifting coalitions is reduced and minority parties are less likely to get power disproportionately greater than their support (Hain 1986).
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However, the reason most countries have dispensed with the plurality system in favour of other electoral systems is because it lacks proportionality. With the plurality system the party achieving the most votes wins, although most of the electorate might have voted against them. For example, the Conservatives might win with 45% of the vote, Labour 30%, Liberal Democrats 15% and The Green Party 10%. In this scenario the Conservatives would still gain a parliamentary majority even though the majority of voters (55%) didn't want the Conservatives in power. Winston Churchill expressed concern over this issue in the Sunday ...

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