 Double Irreversibility and Environmental Policy TimingAude Pommeret () and Fabien Prieur Working Papers from HAL Abstract: The timing of environmental policy typically takes place within a framework in which uncertainty over the future impact of pollution and two different kinds of irreversibilities interact. The first kind of irreversibility concerns the sunk cost of environmental degradation; the second is related to the sunk cost of environmental policy. Clearly, the two irreversibilities pull in opposite directions: policy irreversibility leads to more pollution and a less/later policy, while environmental irreversibility generates less pollution and a more/sooner policy. Using a real option approach and an infinite time horizon model, this paper considers both irreversibilities simultaneously. The model first is developed by paying particular attention to the option values related to pollution and policy adoption. The environmental policy we consider consists in increasing the natural assimilation rate. Solving the model in closed form then provides solutions for both the optimal pollution level and the optimal environmental policy timing. Finally, we provide a numerical example with the purpose of appraising which irreversibility has the prevailing effect and what is the overall impact of both irreversibilities on pollution and policy timing. Keywords: environmental policy; policy irreversibility; policy timing; pollution (search for similar items in EconPapers) There are no downloads for this item, see the EconPapers FAQ for hints about obtaining it. Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:hal:wpaper:hal-01280813 DOI: 10.1111/jpet.12018 Access Statistics for this paper More papers in Working Papers from HAL |
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