Returns to investment in navigation infrastructure: An equilibrium approach

被引:0
|
作者
Harry H. Kelejian
Dennis P. Robinson
机构
[1] Department of Economics,
[2] University of Maryland,undefined
[3] Tydings Hall,undefined
[4] Room 3105,undefined
[5] College Park,undefined
[6] MD 20742,undefined
[7] USA (e-mail: Kelejian@econ.umd.edu),undefined
[8] The Institute of Water Resources,undefined
[9] Casey Building,undefined
[10] Alexandria,undefined
[11] VA 22315-3868,undefined
[12] USA (e-mail: robinson@osiris.cso),undefined
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关键词
Cost Function; Production Function; Significant Productivity; Productivity Estimate; Productivity Effect;
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学科分类号
摘要
We argue that there are serious biases in public infrastructure productivity estimates which are based on a production function, or a cost function framework. These biases arise because public infrastructure has important effects on the demands, as well as prices of the factors of production. In this study we estimate the productivity effects of investment in navigation infrastructure in a systems framework. Our results strongly suggest a significant productivity effect of such investments.
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页码:83 / 108
页数:25
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