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Sectoral Productivity Slowdown

  • M. Ishaq Nadiri
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    In this paper an attempt is made to answer two questions:1) What set of factors explains the recent slowdown of the U.S. aggregate labor productivity, and 2) whether the same set of forces account for the slowdown of sectoral productivity growth as well. We specify a model which relates measured labor productivity growth to capital/labor ratio, level and rate of change of utilization, stock of R & D, and the rate of disembodied technical change. The model is estimated using sectoral and aggregate data for the period 1949-1978.The results of the estimation suggest that the pattern of aggregate productivity growth can be explained by the growth of capital/labor ratio the gap between potential and actual output growth paths, the change in degree of utilization, the growth of stock of total R & D, and the time trend. In fact, both at the aggregate and sectoral levels, these factors account fairly well, first for the growth and then for the subsequent slowdown of labor productivity in the postwar period. To be sure, in some specific industries, the performance of the model could be improved. However, the overall conclusion reached is that the slowdown in growth of capital formation, the inability of the economy and various sectors to grow at their normal growth rates, and the slowdown in rate of technological change are some of the main reasons for the observed productivity slowdown of the recent years.

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    Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 0423.

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    Date of creation: Jan 1980
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    Publication status: published as Nadiri, N. Ishaq. "Sectoral Productivity Slowdown," Papers and Proceedings of the 92nd Annual Meeting of the American Economic Association. The American Economic Review, Vol. 70, No. 2, May 1980.
    Handle: RePEc:nbr:nberwo:0423
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    1. Clark, Peter K, 1978. "Capital Formation and the Recent Productivity Slowdown," Journal of Finance, American Finance Association, vol. 33(3), pages 965-75, June.
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