Good NYT column by Paul Krugman. Opens thus:

When historians look back at 2008-10, what will puzzle them most, I believe, is the strange triumph of failed ideas. Free-market fundamentalists have been wrong about everything — yet they now dominate the political scene more thoroughly than ever.

How did that happen? How, after runaway banks brought the economy to its knees, did we end up with Ron Paul, who says “I don’t think we need regulators,” about to take over a key House panel overseeing the Fed? How, after the experiences of the Clinton and Bush administrations — the first raised taxes and presided over spectacular job growth; the second cut taxes and presided over anemic growth even before the crisis — did we end up with bipartisan agreement on even more tax cuts?

This is not just about the US, either, Krugman says.

The free-market fundamentalists have been as wrong about events abroad as they have about events in America — and suffered equally few consequences. “Ireland,” declared George Osborne in 2006, “stands as a shining example of the art of the possible in long-term economic policymaking.” Whoops. But Mr. Osborne is now Britain’s top economic official.

And in his new position, he’s setting out to emulate the austerity policies Ireland implemented after its bubble burst. After all, conservatives on both sides of the Atlantic spent much of the past year hailing Irish austerity as a resounding success. “The Irish approach worked in 1987-89 — and it’s working now,” declared Alan Reynolds of the Cato Institute last June. Whoops, again.

But such failures don’t seem to matter. To borrow the title of a recent book by the Australian economist John Quiggin on doctrines that the crisis should have killed but didn’t, we’re still — perhaps more than ever — ruled by “zombie economics.” Why?

Part of the answer, surely, is that people who should have been trying to slay zombie ideas have tried to compromise with them instead. And this is especially, though not only, true of the president.

The thing about zombies, though (as every schoolboy knows) is that they eat your brains.