Abstract
This paper concerns the irreversibilitity effect in stock externalities. In an environment of uncertainty with learning taking place, one may wish to under-emit today to avoid potential environmental irreversibilities. Alternatively, one may wish to under-invest in pollution control capital, avoiding investments in sunk capital that turn out to be wasted. The paper reviews theoretical results on the tension between these two effects and separates risk aversion from the irreversibility effect. The paper also presents a simple example of climate change policy.
Research supported by NSF Grant SBR-94-96303 and DOE Grant DE-FG03-94ER61944. Work conducted in part while the author was visiting the Catholic University of Leuven in Belgium and in part while on the faculty of the University of Illinois at Urbana-Champaign. Parts of this paper appeared in Kolstad (1996).
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Kolstad, C.D. (1996). Uncertainty, Learning, Stock Externalities and Capital Irreversibilities. In: van Ierland, E.C., Görka, K. (eds) Economics of Atmospheric Pollution. NATO ASI Series, vol 14. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-61198-8_2
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DOI: https://doi.org/10.1007/978-3-642-61198-8_2
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