Key Transportation Indicators Summary of a Workshop (2002) / Chapter Skim
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4 Transportation Indicators of Economic Growth
4 Transportation Indicators of Economic Growth
Pages 22-27
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From page 22... ...
The relationships between transportation and the economy are very complex and poorly understood. Transportation is a massive enterprise with substantial direct and indirect effects on economic productivity and economic growth.
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From page 23... ...
As a result, any indicator of transportation and economic growth poses difficult issues of interpretation. Any index of transportation and economic growth must reflect this context of change and uncertainty.
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C.' . r ontrloutlon or transportation to economic growth (transportation sector value added relative to GDP)
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Freight data are probably reliable; personal consumption data are not. The components of this index are currently collected and reported in reliable data series.
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The production function literature has attempted to take the national income accounts, which have traditionally been modeled in terms of labor and private capital, and extend them to include public capital, such as transportation investment. Similar extensions have been done using cost function models.
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From page 27... ...
Relative to mobility or safety indicators, any indicator of economic performance and transportation will probably be less comprehensive in its coverage, but there appear to be enough potential valuable uses to continue the exploration.
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