During the four years 1995-99 U.S. productivity growth experienced a strong revival and achieved growth rates exceeding that of the "golden age" of 1913-72. Accordingly many observers have declared the "New Economy" to be an Industrial Revolution even more important than the Second Industrial...

The NAIRU, the unemployment rate consistent with a constant rate of inflation, is estimated, in this paper, as a parameter allowed to vary over time. Value is determined in an econometric model where the inflation rate depends on its past values, demand and supply shocks. The NAIRU estimated for...