Bernanke must know by now that changes in monetary policy are not increasing demand. One of the reasons for this dynamic is that people are anxious about their future prospects, so they are saving more. In the long run, America changing back into a nation of savers is a good thing. In the short run, the “paradox of thrift” is leading to lower economic growth.
The only effect of the Fed’s monetary policy is the temporary inflation of stocks and commodities. Since this is the only effect, Bernanke must desire this result.