Optimal Timing of Environmental Policy. Interaction between Environmental Taxes and Innovation Externalities

Reyer Gerlagh, Snorre Kverndokk and Knut Einar Rosendahl

Discussion Papers from Statistics Norway, Research Department

Abstract: This paper addresses the impact of endogenous technology through research and development (R&D) and learning by doing (LbD) on the timing of environmental policy. We develop two models, the first with technological change through R&D and the second with LbD. We study the interaction between environmental taxes and innovation externalities in a dynamic economy and prove policy equivalence between the second-best R&D and the LbD model. Our analysis shows that the difference found in the literature between optimal environmental policy in R&D and LbD models can partly be traced back to the set of policy instruments available, rather than being directly linked to the source of technological innovation. Arguments for early action in LbD models carry over to a second-best R&D setting. We show that environmental taxes should be high compared to the Pigouvian levels when an abatement industry is developing. We illustrate our analysis through numerical simulations on climate change policy.

Keywords: Environmental policy; technological change; research and development; learning by doing (search for similar items in EconPapers)
JEL-codes: H21 O30 Q42 (search for similar items in EconPapers)
Date: 2007-02
New Economics Papers: this item is included in nep-ene, nep-env and nep-ino
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (13)

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Related works:
Working Paper: Optimal Timing of Environmental Policy; Interaction Between Environmental Taxes and Innovation Externalities (2007)
Working Paper: Optimal Timing of Environmental Policy; Interaction Between Environmental Taxes and Innovation Externalities (2007)
Working Paper: Optimal Timing of Environmental Policy: Interaction Between Environmental Taxes and Innovation Externalities (2007)
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Persistent link: https://EconPapers.repec.org/RePEc:ssb:dispap:493

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