The Conservatives vehemently oppose the alternative vote, arguing that the current first past the post voting system "delivers clear, clean results" even if it does currently seem to work against them.
But the first-past-the-post voting system for MPs is a huge obstacle for any small party.
But had it not been for the peculiarities of the first-past-the-post voting system, it would have won more.
Mr Clegg says co-operation with the other parties will also depend on their commitment to a more redistributive tax system, more spending on poor schoolchildren, a greener economy and political reform, such as ditching the first-past-the-post voting model.
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If that second election transpires, it looks increasingly likely to be held under the same first-past-the-post voting system that Westminster has always known.
New Zealand dropped British-style first-past-the-post voting in 1996 and has seen only hung parliaments and coalition rule since.
His reasoning is that Lesotho's current mess springs from its first-past-the-post voting arrangements.
General elections, however, with their first-past-the-post voting systems, have been a very different story and the party has failed to make the breakthrough it has been hoping for.
The bill provides for a referendum on changing the Westminster voting system from first past the post to the alternative vote (AV), making constituencies more equal in population size and cutting the number of MPs from 650 to 600.
Messrs Zeman and Klaus, whose parties together won 60% of the vote and 137 of parliament's 200 seats, want to amend the constitution so as to change the voting system from proportional representation to first-past-the-post.
Our current voting system, first-past-the- post, isn't fit for purpose anymore and is failing us.
Every election year, voting by smaller districts or first-past-the-post is called for, and promptly squashed by professional politicians.
The South East, like the country as a whole, voted overwhelmingly ' No' to changing the voting system from the current first-past-the-post system to the alternative vote.
BBC: Labour's big push in the South East reaps mixed results
Under the Parliamentary Voting System and Constituencies Bill, a referendum on whether to replace first past the post with the AV system would be held on 5 May 2011 next year.
The one big idea that looms is that of electoral reform, but it is hardly new: the Liberal Democrats, the keenest advocates (and principal beneficiaries) of a change in the voting system, have been complaining about Britain's first-past-the-post system for years.
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