The authors estimate social rates of return to electricity-generating capacity and paved roads, relative to the return on general capital, by examining the effect on aggregate output and comparing that effect with the costs of construction. They find that both types of infrastructure capital are highly complementary with other physical capital and human capital, but have rapidly diminishing returns if increased in isolation. The complementarities...
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INFORMATION
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2000/07/31
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Document de travail de recherche sur les politiques
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WPS2390
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1
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1
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2010/07/01
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The social rate of return on infrastructure investments
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rate of return to capital
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