According to one set of calculations, of the roughly 2-1/2 percent annual rate of increase in output per hour, or labor productivity, between 1995 and 2001, perhaps a quarter of that growth could be attributed to on-going shifts in the composition, as distinct from the dollar level, of capital.
2  BIS Review 17/2002  Improvements in the quantity and quality of our workforce’s education enhance workers' skills and contribute importantly to the growth of labor productivity.