Worried about the ongoing crisis, the IMF, and many conventional economists, such as e.g. Larry Summers, are re-asserting orthodox Keynesianism, and calling for expansion of aggregate demand.
“He ascribes to what he calls the “demand support view” in order to spark a buoyant economic expansion.”
http://www.moneynews.com/StreetTalk/Summers-global-economy-danger/2012/10/17/id/460322
This is reflected too in the Obama vs Romney race.
Keynes vs Hayek; a struggle between two orthodoxies.