The centrepiece of this year's budget, Help to Buy was a political masterstroke, pumping up public confidence just as many potential buyers were thinking about returning to the estate agent's, and helping the government to claim credit for an upswing in the property market that had already been kicked off by the Funding for Lending Scheme.Economically, however, Help to Buy is madness, as the Treasury select committee, the International Monetary Fund and the outgoing governor of the Bank of England all lined up to say.