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Learning by Doing vs Learning by Researching in a Model of Climate Change Policy Analysis

  • Marzio Galeotti

    (Università di Milano and Fondazione Eni Enrico Mattei)

  • Sergio Vergalli

    (Università di Padova and Fondazione Eni Enrico Mattei)

  • Efrem Castelnuovo

    (Università Bocconi and Fondazione Eni Enrico Mattei)

  • Gretel Gambarelli

    (Fondazione Eni Enrico Mattei)

Many predictions and conclusions in climate change literature have been made on the basis of theoretical analyses and quantitative models that assume exogenous technological change. One may wonder if those policy prescriptions hold in the more realistic case of endogenously evolving technologies. In previous work we modified a popular integrated assessment model to allow for an explicit role of the stock of knowledge which accumulates through R&D investment. In our formulation knowledge affects the output production technology and the emission-output ratio. In this paper we make progress in our efforts aimed to model the process of technological change. In keeping with recent theories of endogenous growth, we specify two ways in which knowledge accumulates: via a deliberate, optimally selected R&D decision or via experience, giving rise to Learning by Doing. We simulate the model under the two versions of endogenous technical change and look at the dynamics of a number of relevant variables.

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Paper provided by Fondazione Eni Enrico Mattei in its series Working Papers with number 2003.11.

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Date of creation: Jan 2003
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Handle: RePEc:fem:femwpa:2003.11
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  1. Paolo Buonanno & Carlo Carraro & Efrem Castelnuovo & Marzio Galeotti, 2001. "Emission Trading Restrictions with Endogenous Technological Change," International Environmental Agreements: Politics, Law and Economics, Springer, vol. 1(3), pages 379-395, July.
  2. Francesco Bosello & Barbara Buchner & Carlo Carraro, 2003. "Equity, Development, and Climate Change Control," Journal of the European Economic Association, MIT Press, vol. 1(2-3), pages 601-611, 04/05.
  3. Popp, David, 2004. "ENTICE: endogenous technological change in the DICE model of global warming," Journal of Environmental Economics and Management, Elsevier, vol. 48(1), pages 742-768, July.
  4. Castelnuovo, Efrem & Galeotti, Marzio & Gambarelli, Gretel & Vergalli, Sergio, 2005. "Learning-by-Doing vs. Learning by Researching in a model of climate change policy analysis," Ecological Economics, Elsevier, vol. 54(2-3), pages 261-276, August.
  5. Buonanno, Paolo & Carraro, Carlo & Galeotti, Marzio, 2003. "Endogenous induced technical change and the costs of Kyoto," Resource and Energy Economics, Elsevier, vol. 25(1), pages 11-34, February.
  6. Anderson, Dennis & Bird, Catherine D, 1992. "Carbon Accumulations and Technical Progress--A Simulation Study of Costs," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 54(1), pages 1-29, February.
  7. Sabine Messner, 1997. "Endogenized technological learning in an energy systems model," Journal of Evolutionary Economics, Springer, vol. 7(3), pages 291-313.
  8. Goulder, Lawrence H. & Mathai, Koshy, 2000. "Optimal CO2 Abatement in the Presence of Induced Technological Change," Journal of Environmental Economics and Management, Elsevier, vol. 39(1), pages 1-38, January.
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