Keynesian

That’s why supply and demand get out of balance in a slump, according to the so-called New Keynesian model that Fed officials and other policy makers lean on.

We Are All Keynesians Now [title]

If I'd believed in all their policies, [...] I would've been a Keynesian and a Friedmanite, a grammar school preserver and destroyer, a nationalisation freak and a privatisation maniac; but above all, I would have been a stark-staring raving schizophrenic! (laugh track).

Since the 1960's the Keynesians have also come under heavy criticism by a group of economists known as Neo-Keynesians. The main contention of the Neo-Keynesians is that the Keynesians have no adequate theory on inflation.