Two key measures of U.S. economic growth—the annual rate of change in real output and in productivity—have improved considerably in recent years.1 Between 1996 and 1998, growth in productivity in the largest segment of the economy, the private nonfarm business sector, averaged nearly 2 percent. This growth rate, the strongest sustained pace since 1983-85, appears to signal some fundamental impr...

We study the origins of labor productivity growth and its differences across sectors. In our model, sectors employ workers different occupations various forms capital, none which are perfect substitutes, technology evolves at sector-factor cell level. Using model we infer technologies from US data over 1960-2017. find that sectoral in largely due to rate routine augmenting technologies. Neither...

abstract comparison of food prices in different periods, indicates fluctuations and continually upward trend. any change in agricultural sector variables, as main food supplier, will affect food price. productivity shocks and production gap are examples of such variables. in this paper ,hodrick prescott and kalman filters are used as generators of productivity shocks and production gap series. ...