David Laidler of the University of Western Ontario talks about money and monetary policy with EconTalk host Russ Roberts. Laidler sketches the monetarist approach to the Great Depression and the Great Recession. He defends the Federal Reserve's performance in the recent crisis against the critics. He argues that the Fed's monetary policies have not been unconventional nor impotent as some critics have suggested. The conversation closes with a discussion of the state of macroeconomics and monetary economics.