A model of technological breakthrough in the renewable energy sector
Models with induced technological change in the energy sector often predict a gradual expansion of renewable energies, and a substantial share of fossil fuels remaining in the energy mix through the end of our century. However, there are historical examples where new products or technologies expanded rapidly and achieved a high output in a relatively short period of time. This paper explores the possibility of a 'technological breakthrough' in the renewable energy sector, using a partial equilibrium model of energy generation with endogenous R&D. Our results indicate, that due to increasing returns-to-scale, a multiplicity of equilibria can arise. In the model, two stable states can coexist, one characterized by a lower and one by higher supply of renewable energy. The transition from the low-output to the high-output equilibrium is characterized by a discontinuous rise in R&D activity and capacity investments in the renewable energy sector. The transition can be triggered by a rise in world energy demand, by a drop in the supply of fossil fuels, or by policy intervention. Under market conditions, the transition occurs later than in the social optimum. Hence, we identify a market failure related to path-dependence and technological lock-in, that can justify a strong policy intervention initially. Paradoxically, well-intended energy-saving policies can actually lead to higher emissions, as they reduce the incentives to invest in renewable energies by having a cushioning effect on the energy price. Hence, these policies should be supplemented by other instruments that restore the incentives to invest in renewable energies. Finally, we discuss the influence of monopoly power in the market for innovations. We show that market power can alleviate the problem of technological lock-in, but creates a new market failure that reduces static efficiency.
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- Unruh, Gregory C. & Carrillo-Hermosilla, Javier, 2006. "Globalizing carbon lock-in," Energy Policy, Elsevier, vol. 34(10), pages 1185-1197, July.
- Unruh, Gregory C., 2002. "Escaping carbon lock-in," Energy Policy, Elsevier, vol. 30(4), pages 317-325, March.
- Krysiak, Frank C., 2008. "Prices vs. quantities: The effects on technology choice," Journal of Public Economics, Elsevier, vol. 92(5-6), pages 1275-1287, June.
- 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.
- Gerlagh, Reyer & Lise, Wietze, 2005. "Carbon taxes: A drop in the ocean, or a drop that erodes the stone? The effect of carbon taxes on technological change," Ecological Economics, Elsevier, vol. 54(2-3), pages 241-260, August.
- Carrillo-Hermosilla, Javier, 2006. "A policy approach to the environmental impacts of technological lock-in," Ecological Economics, Elsevier, vol. 58(4), pages 717-742, July.
- Fischer, Carolyn & Newell, Richard G., 2008.
"Environmental and technology policies for climate mitigation,"
Journal of Environmental Economics and Management,
Elsevier, vol. 55(2), pages 142-162, March.
- Fischer, Carolyn & Newell, Richard, 2004. "Environmental and Technology Policies for Climate Mitigation," Discussion Papers dp-04-05, Resources For the Future.
- Jeroen van den Bergh & John Gowdy, 2000. "Evolutionary Theories in Environmental and Resource Economics: Approaches and Applications," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 17(1), pages 37-57, September.
- Jeroen C.J.M. van den Bergh & John M. Gowdy, 1998. "Evolutionary Theories in Environmental and Resource Economics: Approaches and Applications," Tinbergen Institute Discussion Papers 98-122/3, Tinbergen Institute.
- Edenhofer, Ottmar & Bauer, Nico & Kriegler, Elmar, 2005. "The impact of technological change on climate protection and welfare: Insights from the model MIND," Ecological Economics, Elsevier, vol. 54(2-3), pages 277-292, August.
- Hart, Rob, 2008. "The timing of taxes on CO2 emissions when technological change is endogenous," Journal of Environmental Economics and Management, Elsevier, vol. 55(2), pages 194-212, March.
- Unruh, Gregory C., 2000. "Understanding carbon lock-in," Energy Policy, Elsevier, vol. 28(12), pages 817-830, October.
- Reyer Gerlagh & Snorre Kverndokk & Knut Rosendahl, 2009. "Optimal Timing of Climate Change Policy: Interaction Between Carbon Taxes and Innovation Externalities," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 43(3), pages 369-390, July.
- Gerlagh, R. & Kverndokk, S. & Rosendahl, K.E., 2009. "Optimal timing of climate change policy : Interaction between carbon taxes and innovation externalities," Other publications TiSEM 4312dde8-f323-4ee2-9764-a, Tilburg University, School of Economics and Management.
- Popp, David, 2006. "ENTICE-BR: The effects of backstop technology R&D on climate policy models," Energy Economics, Elsevier, vol. 28(2), pages 188-222, March.
- Janssen, Marco & de Vries, Bert, 1998. "The battle of perspectives: a multi-agent model with adaptive responses to climate change," Ecological Economics, Elsevier, vol. 26(1), pages 43-65, July.
- Nordhaus, William D., 1993. "Rolling the 'DICE': an optimal transition path for controlling greenhouse gases," Resource and Energy Economics, Elsevier, vol. 15(1), pages 27-50, March.
- William D. Nordhaus, 1992. "Rolling the 'Dice': An Optimal Transition Path for Controlling Greenhouse Gases," Cowles Foundation Discussion Papers 1019, Cowles Foundation for Research in Economics, Yale University.
- David Popp, 2002. "Induced Innovation and Energy Prices," American Economic Review, American Economic Association, vol. 92(1), pages 160-180, March.
- 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.
- Metcalfe, J S, 1994. "Evolutionary Economics and Technology Policy," Economic Journal, Royal Economic Society, vol. 104(425), pages 931-944, July.
- Goulder, Lawrence H. & Schneider, Stephen H., 1999. "Induced technological change and the attractiveness of CO2 abatement policies," Resource and Energy Economics, Elsevier, vol. 21(3-4), pages 211-253, August.
- Gerlagh, Reyer, 2008. "A climate-change policy induced shift from innovations in carbon-energy production to carbon-energy savings," Energy Economics, Elsevier, vol. 30(2), pages 425-448, March. Full references (including those not matched with items on IDEAS)
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