Public Investment as Commitment
Should public assets such as infrastructure, education, and the environment earn the same return as private investments? We consider if time-inconsistent decision-makers can gain from institutions that enforce cost-benefit rules on large projects that influence the economy as a whole. Long-term public investments provide commitment to current preferences, leading to investment biases in such assets. The institutionalized cost-benefit prudence eliminates such biases but we show that this behavioral rule has no general social value: it implements Pareto efficiency if and only if preferences are time-consistent, and decreases welfare otherwise. We find that the long-term cost-benefit prudence is fundamentally about income transfers to the future, implying that efficient behavioral rules should target savings directly rather than the division of current investment resources.
|Date of creation:||2011|
|Date of revision:|
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"The Social Discount Rate,"
NBER Working Papers
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NajEcon Working Paper Reviews
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- Arrow, Kenneth J. & Cropper, Maureen L. & Eads, George C. & Hahn, Robert W. & Lave, Lester B. & Noll, Roger G. & Portney, Paul R. & Russell, Milson & Schmalensee, Richard & Smith, V. Kerry & Stavins, , 1997. "Is there a role for benefit-cost analysis in environmental, health, and safety regulation?," Environment and Development Economics, Cambridge University Press, vol. 2(02), pages 195-221, May.
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