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An Estimate of Technological Progress in the Lumber and Wood-Products Industry

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The rate of technological progress in the lumber and wood-products industry was estimated by a method Solow introduced in 1957. An aggregate production function was specified using value-added as the measure of output, man-years as the labor input, and the book value of fixed and working capital as the other input. Technological progress was the residual value in output after accounting for the influence of the labor and capital inputs. The predominant source of growth in real output per employee was growth in real factor input, specifically an increase in capital intensity, rather than in total factor productivity. Nevertheless, technology was found to be advancing at an average rate of 1.75 percent per year between 1949 and 1970. Forest Sci. 21:149-154.
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Keywords: Productivity; production function

Document Type: Journal Article

Affiliations: Economist, USDA Forest Service, Southeastern Forest Experiment Station, Athens, Georgia 30602

Publication date: 1975-06-01

More about this publication?
  • Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.
    Forest Science is published bimonthly in February, April, June, August, October, and December.

    2016 Impact Factor: 1.782 (Rank 17/64 in forestry)

    Average time from submission to first decision: 62.5 days*
    June 1, 2016 to Feb. 28, 2017

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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