This paper analyzes an agent's option exercise decision under uncertainty. The agent decides whether and when to do an irreversible activity. He is tempted by immediate grati¯cation and su®ers from self-control problems. This paper adopts the Gul and Pensendorfer self- control utility model. Unlike the time inconsistent hyperbolic discounting model, it provides an explanation of procrastination and preproperation based on time consistency. When applied to the investment and exit problems, it is shown that (i) if the project value is immediate, an investor may invest in negative NPV projects; (ii) if the production cost is immediate, a ¯rm may exit even if it makes positive net pro¯ts; and (iii) if both rewards and costs are immediate, an agent may simply follow the myopic rule which compares only the current period bene¯t and cost.
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Find related papers by JEL classification: D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty D91 - Microeconomics - - Intertemporal Choice and Growth - - - Intertemporal Consumer Choice; Life Cycle Models and Saving
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