TY - JOUR AU - Stock,James H. AU - Watson,Mark W. TI - Forecasting Inflation JF - National Bureau of Economic Research Working Paper Series VL - No. 7023 PY - 1999 Y2 - March 1999 UR - http://www.nber.org/papers/w7023 L1 - http://www.nber.org/papers/w7023.pdf N1 - Author contact info: James H. Stock Department of Economics Harvard University Littauer Center M27 Cambridge, MA 02138 Tel: 617/496-0502 Fax: 617/495-7730 E-Mail: James_Stock@harvard.edu Mark W. Watson Department of Economics Princeton University Princeton, NJ 08544-1013 Tel: 609/258-4811 Fax: 609/258-5533 E-Mail: mwatson@princeton.edu AB - This paper investigates forecasts of U.S. inflation at the 12-month horizon. The starting point is the conventional unemployment rate Phillips curve, which is examined in a simulated out of sample forecasting framework. Inflation forecasts produced by the Phillips curve generally have been more accurate than forecasts based on other macroeconomic variables, including interest rates, money and commodity prices. These forecasts can however be improved upon using a generalized Phillips curve based on measures of real aggregate activity other than unemployment, especially a new index of aggregate activity based on 61 real economic indicators. ER -