Of course, a lot of this disappointment has a single cause: the poorperformance of the economy, and the OBR's judgment that a lot of the economic ground we had lost since 2007 we were not going to get back - meaning the books were in a worse state in 2010 than the coalition realised at the time.
Last year a report into the economic development agency's performance found its achievements were not clear because of inadequate data and poor evaluation.