Sunk costs and sunk benefits in environmental policy : I. basic theory
Name
35719366.pdf
Size
2.91 MB
Format
Adobe PDF
Checksum (MD5)
0b79189ce4f36cb179bdf615d9105a42
Author(s)
Pindyck, Robert S.
Date Issued
1995
Publisher
MIT Center for Energy and Environmental Policy Research
Series/Report no.
MIT-CEEPR (Series) ; 95-003WP.
Abstract
The standard framework in which economists evaluate environmental policies is cost-benefit analysis, so that policy debates usually focus on expected costs and benefits, or on the choice of discount rate. But this framework can be misleading when there is uncertainty over future outcomes, when there are irreversibilities, and when policy adoption can be delayed. This paper shows how "economic" uncertainty (i.e., uncertainty over future costs and benefits of reduced environmental degradation) and "ecological" uncertainty (i.e., uncertainty over the evolution of an ecosystem) interact with two kinds of irreversibilities-- sunk costs associated with an environmental regulation, and "sunk benefits" of avoided environmental degradation-- to affect optimal policy timing and design.
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