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Shift-share analysis of employment and productivity growth in highway corridors

Song, Yena (2008) Shift-share analysis of employment and productivity growth in highway corridors At The Fourth Annual Transportation Student Research Symposium. 09 Feb 2008.

Record type: Conference or Workshop Item (Paper)


Interstate Highway and Industrial Clustering One of the most common means of assessing the economic impacts of highways is to measure the growth and decline of employment in a highway corridor. Observed changes in employment, however, are outcomes of two interrelated effects that highways have on economic activity in corridor regions: the output effect and the productivity effect. The output effect means that growth in the level of production (output) in the corridor leads to increased employment. The productivity effect means that improved efficiency in the corridor leads to a decrease in the ratio of labor input (employment) to output. Thus the output effect may be partially or totally offset by the productivity effect. To address this issue, I apply an extended shift-share analysis that makes it possible to separate the output and productivity effects in the data. The analysis is applied in two highway corridor regions: the I-95 corridor (Boston to Washington) and the I-85 corridor (Raleigh-Durham to Birmingham) for the periods 1972-87 and 1987-2002

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Published date: February 2008
Venue - Dates: The Fourth Annual Transportation Student Research Symposium, 2008-02-09 - 2008-02-09


Local EPrints ID: 73805
PURE UUID: 5d8e9285-9358-4bdb-8eb5-7597b14b205a

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Date deposited: 12 Mar 2010
Last modified: 18 Jul 2017 23:48

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