Identification and Evaluation of Freight Demand Factors (2012) / Chapter Skim
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8 1. Introduction Background In the last 25 years, the U.S.
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9 An important goal of this research into freight demand factors is, ultimately, to provide insights into the structure of the U.S. freight system which can be used effectively to produce volume forecasts, both short term and long term.
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10 consolidations it u tilizes result from many factors that interact at different geographic levels – global, national, regional, and local – as well as at different temporal spans, producing changes in magnitude and mode of transport used. This research seeks to identify those drivers that have the largest influence in explaining the variability and geography of freight demand, with the ultimate goal of producing better forecasts of freight volumes.
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11 4. The team tested a variety of statistical analyses to come up with a number of models that utilize one or more of the independent economic variables to explain each of the separate modal transportation demands.
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