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The Environment and Directed Technical Change: Comment

Author

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  • Hourcade, Jean-Charles
  • Pottier, Antonin
  • Espagne, Etienne

Abstract

This paper discusses the growth model with environmental constraints recently presented in (Acemoglu et al., 2011) which focuses on the redirection of technical change by climate policies with research subsidies and a carbon tax. First, Acemoglu et al.'s model and chosen parameters yield numerical results that do not support the conclusion that ambitious climate policies can be conducted “without sacrificing (much or any) long-run growth”. Second, they select unrealistic key parameters for carbon sinks and elasticity of substitution. We find that more realistic parameters lead to very different results. Third, the model leads to an unrealistic conclusion when used to analyse endogenous growth, suggesting specification problems.

Suggested Citation

  • Hourcade, Jean-Charles & Pottier, Antonin & Espagne, Etienne, 2011. "The Environment and Directed Technical Change: Comment," Climate Change and Sustainable Development 120046, Fondazione Eni Enrico Mattei (FEEM).
    • Handle: RePEc:ags:feemcl:120046
    DOI: 10.22004/ag.econ.120046
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    Cited by:

    1. Yingying Lu & David I. Stern, 2016. "Substitutability and the Cost of Climate Mitigation Policy," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 64(1), pages 81-107, May.
    2. Lennox, James A. & Witajewski-Baltvilks, Jan, 2017. "Directed technical change with capital-embodied technologies: Implications for climate policy," Energy Economics, Elsevier, vol. 67(C), pages 400-409.
    3. Jean-Charles Hourcade & Michael J. Grubb & Aurélie Méjean, 2015. "The 'Dark Matter' in the Search for Sustainable Growth: Energy, Innovation and the Financially Paradoxical Role of Climate Confidence," Post-Print hal-01646242, HAL.
    4. Papageorgiou, Chris & Saam, Marianne & Schulte, Patrick, 2013. "Elasticity of substitution between clean and dirty energy inputs: A macroeconomic perspective," ZEW Discussion Papers 13-087, ZEW - Leibniz Centre for European Economic Research.
    5. Gerlagh, Reyer & Kverndokk, Snorre & Rosendahl, Knut Einar, 2014. "The optimal time path of clean energy R&D policy when patents have finite lifetime," Journal of Environmental Economics and Management, Elsevier, vol. 67(1), pages 2-19.
    6. van den Bijgaart, Inge, 2016. "Essays in environmental economics and policy," Other publications TiSEM 298bee2a-cb08-4173-9fe1-8, Tilburg University, School of Economics and Management.
    7. Carolyn Fischer & Garth Heutel, 2013. "Environmental Macroeconomics: Environmental Policy, Business Cycles, and Directed Technical Change," Annual Review of Resource Economics, Annual Reviews, vol. 5(1), pages 197-210, June.
    8. Malin Song & Shuhong Wang & Kaiya Wu, 2018. "Environment-biased technological progress and industrial land-use efficiency in China’s new normal," Annals of Operations Research, Springer, vol. 268(1), pages 425-440, September.
    9. Dutz, Mark A. & Sharma, Siddharth, 2012. "Green growth, technology and innovation," Policy Research Working Paper Series 5932, The World Bank.
    10. Mattauch, Linus & Creutzig, Felix & Edenhofer, Ottmar, 2015. "Avoiding carbon lock-in: Policy options for advancing structural change," Economic Modelling, Elsevier, vol. 50(C), pages 49-63.
    11. Laura Nowzohour, 2021. "Can Adjustments Costs in Research Derail the Transition to Green Growth ?," CIES Research Paper series 67-2021, Centre for International Environmental Studies, The Graduate Institute.
    12. Spencer, Thomas & Lucas, Chancel & Emmanuel, Guerin, 2012. "Exiting the crisis in the right direction: A sustainable and shared prosperity plan for Europe," MPRA Paper 38802, University Library of Munich, Germany.
    13. van den Bijgaart, Inge, 2017. "The unilateral implementation of a sustainable growth path with directed technical change," European Economic Review, Elsevier, vol. 91(C), pages 305-327.
    14. Paul David & Adriaan van Zon, 2014. "Designing an Optimal 'Tech Fix' Path to Global Climate Stability: Integrated Dynamic Requirements Analysis for the 'Tech Fix'," Discussion Papers 13-039, Stanford Institute for Economic Policy Research.
    15. Saffet Akdag & Hakan Yildirim & Andrew Adewale Alola, 2025. "Comparative benefits of environmental protection expenditures and environmental taxes in driving environmental quality of the European countries," Natural Resources Forum, Blackwell Publishing, vol. 49(3), pages 2188-2203, August.

    More about this item

    Keywords

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    JEL classification:

    • O30 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - General
    • O33 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Technological Change: Choices and Consequences; Diffusion Processes
    • Q43 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Energy and the Macroeconomy
    • Q54 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Climate; Natural Disasters and their Management; Global Warming
    • Q56 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environment and Development; Environment and Trade; Sustainability; Environmental Accounts and Accounting; Environmental Equity; Population Growth

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