Bernanke on the Housing Bubble

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**Even if monetary policy was not a principal cause of the housing bubble, some have argued that the Fed could have stopped the bubble at an earlier stage by more-aggressive interest rate increases. For several reasons, this was not a practical policy option. First, in 2003 or so, when the policy rate was at its lowest level, there was little agreement about whether the increase in housing prices was a bubble or not (or, a popular hypothesis, that there was a bubble but that it was restricted to certain parts of the country). **Second, and more important, monetary policy is a blunt tool; raising the general level o f interest rates to manage a single asset price would undoubtedly have had large side effects on other assets and sectors of the economy. In this case, to significantly affect monthly payments and other measures of housing affordability, the FOMC likely would have had to increase interest rates quite sharply, at a time when the recovery was viewed as “jobless” and deflation was perceived as a threat.