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Jürges, Hendrik

The B.E. Journal of Economic Analysis & Policy

Editor-in-Chief: Ludwig, Sandra / Schmitz, Hendrik

Ed. by Barigozzi, Francesca / Brunner, Johann / Fleck, Robert / Mastrobuoni, Giovanni / Mendola, Mariapia / Requate, Till / de Vries, Frans / Wenzel, Tobias


IMPACT FACTOR 2018: 0.520
5-year IMPACT FACTOR: 0.556

CiteScore 2018: 0.54

SCImago Journal Rank (SJR) 2018: 0.356
Source Normalized Impact per Paper (SNIP) 2018: 0.394

Online
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1935-1682
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Volume 10, Issue 1

Issues

Volume 6 (2006)

Volume 4 (2004)

Volume 2 (2002)

Volume 1 (2001)

Carbon Taxes and Innovation without Commitment

Rolf Golombek / Mads Greaker / Michael Hoel
Published Online: 2010-04-07 | DOI: https://doi.org/10.2202/1935-1682.2473

Abstract

Climate mitigation policy should be imposed over a long period, and spur innovation of new technologies in order to make stabilization of green house gas concentration economically feasible. The government may announce current and future policy packages that stimulate current R&D in climate-friendly technologies. However, once climate-friendly technologies have been developed, the government may have no incentive to implement the pre-announced future policies, that is, there may be a time inconsistency problem. We show that if the government can optimally subsidize R&D today, there is no time inconsistency problem. Thus, lack of commitment is not an argument for higher current R&D subsidies than the first-best subsidy. If the offered R&D subsidy is lower than the optimal subsidy, the current (sub-game perfect) carbon tax rate exceeds the first-best carbon tax rate.

Keywords: time consistency; carbon tax; climate policy; R&D; endogenous technological change

About the article

Published Online: 2010-04-07


Citation Information: The B.E. Journal of Economic Analysis & Policy, Volume 10, Issue 1, ISSN (Online) 1935-1682, DOI: https://doi.org/10.2202/1935-1682.2473.

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