Arnold Kling, at EconLog, relates Scott Sumner’s simple query as to why the 2008 financial crisis has caused such low or negative growth down even unto the present day, and offers four possible answers. I will comment only on one of them:
Because the Fed made forecasting errors. Right-wingers are fond of brandishing charts showing that the unemployment rate with the stimulus is on a worse trajectory than what was forecast without the stimulus. That may or may not be evidence that the stimulus failed, but it is evidence that standard forecasts were not sufficiently pessimistic about the economy. Assuming the Fed used standard forecasts, that would explain the inadequate monetary expansion back then. It doesn’t explain their reluctance to expand now, though.
There are several places where this answer (which Kling does not favor) goes wrong. Most noticeable, to me, regards the possibility that the forecasts “were not sufficiently pessimistic about the economy.” This is not the only possibility. It is not even the most likely possibility.
The problem was that the forecasts were too negative [Keep reading…]
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