We are all Keynesians now. When Barack Obama takes office he will propose a gigantic fiscal stimulus package. Such packages are being offered by many other governments. Even Germany is being dragged, kicking and screaming, into this race.

The ghost of John Maynard Keynes, the father of macroeconomics, has returned to haunt us. With it has come that of his most interesting disciple, Hyman Minsky. We all now know of the “Minsky moment” – the point at which a financial mania turns into panic.