(أ) على مدى الفترة نفسها من عام 2001.
Looking only at the major macroeconomic variables — output and productivity growth, inflation, unemployment, government budget deficits — the economic performance of the United States in the 1990s, especially in the second half, was quite successful (A. Blinder and J. Yellen, The Fabulous Decade: Macroeconomic Lessons from the 1990s, New York, The Century Foundation Press, 2001).