This paper analyses the optimal decision of a firm faced with the option of retrofitting its plant to reduce pollution and thereby eliminate the need to purchase emissions allowances. The decision is treated as a real option with the price of pollution permits assumed to follow a known stochastic process. The model is formulated as a set of one-dimensional partial differential equations. At discrete points in time, the firm owner is assumed to make optimal decisions about the retrofitting. In addition, if mothballing is allowed, the owner can halt the installation, with the option of resuming at later date. Optimality conditions are imposed at each decision date, which link the set of one-dimensional partial differential equations. The model is used to calculate critical permit prices at which the firm should choose to retrofit.
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Paper provided by University of Waterloo, Department of Economics in its series Working Papers with number
02008.
Find related papers by JEL classification: Q25 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation - - - Water D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty G31 - Financial Economics - - Corporate Finance and Governance - - - Capital Budgeting; Investment Policy
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