He’s a one-man downer, but mainly because he’s smart, credible and pulls no punches. In his latest New York Times column, the Nobel Prize winner warns that the Federal Reserve isn’t taking a negative enough view of the economy — with potentially dire consequences. Happy Monday to you, too, Paul.

Paul Krugman in The New York Times:

After all, Fed officials, like most observers, have a fairly grim view of the economy’s prospects. Not grim enough, in my view: Fed presidents, who make forecasts every time the committee that sets interest rates meets, aren’t taking the trend toward deflation sufficiently seriously. Nonetheless, even their projections show high unemployment and below-target inflation persisting at least through late 2012.

So why not try to do something about it? The closest thing I’ve seen to an explanation is a recent speech by Kevin Warsh of the Fed’s Board of Governors, in which he declared that doing what Mr. Bernanke recommended back in 2002 risked undermining the Fed’s “institutional credibility.” But how, exactly, does it serve the Fed’s credibility when it fails to confront high unemployment, while consistently missing its own inflation targets? How credible is the Bank of Japan after presiding over 15 years of deflation?

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