The price of a vote in 2010

Some fascinating data here from the Electoral Commission which has published details of party expenditure on the 2010 General Election. Taking a simple average of amounts spent divided by votes won, the campaign cost Labour an average of just 93p per vote, whereas the high-spending Tories gathered only one vote for every £1.54 they spent. The Lib Dems were particularly frugal, spending 70p per vote gained. What would be even more interesting would be to see what the “per vote gained” cost was in the key battleground marginals…