To be useful as policy indicators, the monetary aggregates M1 and M2 must either (1) provide information on the current state of the economy or (2) help predict future values of economic variables that are of concern to the policymakers. Statistical analysis shows that these aggregates perform...

Monetary economists have recently begun a serious study of money supply rules that allow the Fed to adjustably peg the nominal interest rate under rational expectations. These rules vary from procedures that produce stationary nominal magnitudes to those that generate nonstationarities in...