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Thursday, May 08, 2014

'Pretending To Do Something Like Science'???

Paul Krugman:

Predictions and Prejudice: The 2008 crisis and its aftermath have been a testing time for economists — and the tests have been moral as well as intellectual. After all, economists made very different predictions about the effects of the various policy responses to the crisis; inevitably, some of those predictions would prove deeply wrong. So how would those who were wrong react?
The results have not been encouraging.
Brad DeLong reads Allan Meltzer in the Wall Street Journal, issuing dire warnings about the inflation to come. Newcomers to this debate may not be fully aware of the history here, so let’s recap. Meltzer began banging the inflation drum five full years ago, predicting that the Fed’s expansion of its balance sheet would cause runaway price increases; meanwhile, some of us pointed both to the theory of the liquidity trap and Japan’s experience to say that this was not going to happen. ...
Tests in economics don’t get more decisive; this is where you’re supposed to say, “OK, I was wrong, and here’s why”.
Not a chance. And the thing is, Meltzer isn’t alone. Can you think of any prominent figure on that side of the debate who has been willing to modify his beliefs in the face of overwhelming evidence? ...
Were the freshwater guys always just pretending to do something like science, when it was always politics? Is there simply too much money and too much vested interest behind their point of view?

Even if we do get a bit of inflation at some point, the people who have been warning about it repeatedly for the last half decade won't be able to say they predicted it in any real sense. Warning that there will be, say, a tornado every day for five years until one finally comes is not much of a track record, or helpful in any way. And if it never comes...

    Posted by on Thursday, May 8, 2014 at 02:02 PM in Economics, Inflation, Politics | Permalink  Comments (17)



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