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Estimation and analysis of multifactor productivity in truck transportation : 1987 - 2003
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  • Abstract:
    The analysis has three objectives: 1) to estimate multifactor

    productivity (MFP) in truck transportation during

    1987-2003; 2) to examine changes in multifactor productivity

    in U.S. truck transportation, over time, and

    to compare these changes to MFP of the U.S. business

    sector and other transportation subsectors; and 3) to

    assess the factors that affected changes of MFP in truck

    transportation over the period of analysis.

    With respect to the calculation framework, the analysis

    estimates annual MFP in truck transportation in the

    United States over the 1987-2003 period. The data used

    for the estimations are based on the North American Industrial

    Classifi cation System (NAICS). The basic data

    series were obtained from the Bureau of Economic Analysis.

    The labor data under NAICS were extrapolated from

    1998 back to 1987. Data on the land input were estimated

    using the method of the Bureau of Labor Statistics, with

    some modifi cations. In future work, other methods will

    be used to estimate the land input.

    With respect to methodology, use is made of the basic

    growth-accounting methodology and the methodology

    using the Tornqvist index number approach. MFP was

    estimated in three different scenarios. In the fi rst one, the

    basic growth-accounting methodology was used, without

    a measurement for land. In the second one, MFP was calculated

    with the Tornqvist index and without a measurement

    for land. In the third scenario, MFP was calculated

    with the Tornqvist method and with a measurement for


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