What's the Option?
AbstractGlobal warming, alterations of ecosystems, and sunk investments all imply irreversible changes with uncertain future costs and benefits. Two concepts measure how this combination of uncertainty and irreversibility changes the value of preserving an ecosystem or postponing an investment. First, the environmental and resource economics literature developed the Arrow-Fisher-Hanemann-Henry quasi-option value. Second, the real options literature developed the Dixit-Pindyck option value. This paper clarifies the precise differences between the two approaches in a simple two period model. We explain that the quasi-option value captures the value of learning conditional on preservation, while the Dixit-Pindyck option value captures the net value of preservation under learning. We show how either of the two concepts alters the common net present value decision rule. We illustrate similarities, differences, and the decision rules in two instructive examples.
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Bibliographic InfoPaper provided by University of California at Berkeley, Department of Agricultural and Resource Economics and Policy in its series CUDARE Working Paper Series with number 1132.
Length: 21 pages
Date of creation: Jan 2013
Date of revision:
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Find related papers by JEL classification:
- D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
- Q51 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Valuation of Environmental Effects
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