There is good reason to believe that R&D influences on TFP growth in other sectors are indirect. For R&D to spill over, it must first be successful in the home sector. Indeed, observed spillovers conform better to TFP growth than to R&D in the upstream sectors. Sectoral TFP growth rates are thus...

Profitability in the United States has been rising since the early 1980s and by 1997 was at its highest level since its postwar peak in the mid 1960s, and the profit share, by one definition, was at its highest point. In this paper I examine the role of the change in the profit share and capital...

Whereas difficulties in measuring the output of service sectors have been well documented, input measures are reasonably accurate. Using U.S. input-output data for the period 1958-87 and a number of indices of skill and occupational change derived from the Dictionary of Occupational Titles and...