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Optimal growth when environmental quality is a research asset

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  • Groth, Christian
  • Ricci, Francesco

Abstract

We advance an original assumption whereby a good state of the environment positively affects labor productivity in R&D such that deteriorating environmental quality negatively impacts R&D. We study the implications of this assumption for the optimal solution in an R&D-based model of growth, where the use of a non-renewable resource generates pollution. We show that in such a case, it is socially optimal to postpone extraction, as opposed to the situation in which the environment has no effect on productivity in R&D. Furthermore, insofar as environmental quality declines and subsequently recovers, we find that it is optimal to re-allocate employment to R&D in line with productivity changes. If environmental quality recovers only partially from pollution, R&D effort optimally begins above its long-run level, then progressively declines to a minimum and eventually increases to its steady-state level.

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Paper provided by LERNA, University of Toulouse in its series LERNA Working Papers with number 10.27.333.

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Date of creation: Dec 2010
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Handle: RePEc:ler:wpaper:10.27.333

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  1. Acemoglu, Daron & Aghion, Philippe & Bursztyn, Leonardo & Hemous, David, 2011. "The Environment and Directed Technical Change," CEPR Discussion Papers 8660, C.E.P.R. Discussion Papers.
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  14. Groth, Christian & Schou, Poul, 2007. "Growth and non-renewable resources: The different roles of capital and resource taxes," Journal of Environmental Economics and Management, Elsevier, vol. 53(1), pages 80-98, January.
  15. Lucas Bretschger & Sjak Smulders, 2007. "Sustainable Resource Use and Economic Dynamics," Environmental & Resource Economics, European Association of Environmental and Resource Economists, vol. 36(1), pages 1-13, January.
  16. Michael Hoel, 2008. "Bush Meets Hotelling: Effects of Improved Renewable Energy Technology on Greenhouse Gas Emissions," CESifo Working Paper Series 2492, CESifo Group Munich.
  17. Sinn, Hans-Werner, 2008. "Public policies against global warming: A supply side approach," Munich Reprints in Economics 19638, University of Munich, Department of Economics.
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  21. Amy Craft & R. Simpson, 2001. "The Value of Biodiversity in Pharmaceutical Research with Differentiated Products," Environmental & Resource Economics, European Association of Environmental and Resource Economists, vol. 18(1), pages 1-17, January.
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