Professor Graziano's study, the first attempt to investigate the impact of human cognitive processes on our understanding of money supply, promises to shake up the fiscal establishment and bring down a number of cherished shibboleths. Using the conceptual tools of cognitive psychology, Professor Graziano subjects our monetary beliefs, measurements, and communications to an incisive, original analysis that may overturn current ideas about the way money supply should be measured and reported and thus affect a broad range of financial/investment decisions.