The empirical test of the New Keynesian Phillips curve is often implemented by estimating a hybrid specification that includes both lagged and future inflation and then by examining whether the estimated coefficient on future inflation is significantly larger than the one on lagged inflation....

This paper presents evidence that indicates that U.S. interest rate policy during most of the 1980s can be described by a reaction function in which the federal funds rate rises if real GDP rises above trend GDP, if actual inflation accelerates, or if the long-term bond rate rises. Money growth...