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Time Inconsistent Environmental Policy and Optimal Delegation

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  • Dieter Helm
  • Cameron Hepburn
  • Richard Mash

Abstract

Time consistency problems can arise when environmental taxes are employed to encourage firms to take irreversible abatement decisions. Setting a high carbon tax, for instance, would induce firms to invest in low-carbon technology, yet once investment has occurred the government can then reduce the carbon tax to better achieve other objectives; lower energy prices, redistribution, and electoral success. The resulting time inconsistency discourages firms from investing in the first place. We propose an institutional solution to this problem, adapted from the monetary policy literature; the commitment outcome can be achieved through delegation to an `environmental policymaker`, akin to a conservative central banker.

Suggested Citation

  • Dieter Helm & Cameron Hepburn & Richard Mash, 2003. "Time Inconsistent Environmental Policy and Optimal Delegation," Economics Series Working Papers 175, University of Oxford, Department of Economics.
    • Handle: RePEc:oxf:wpaper:175
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    Citations

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    Cited by:

    1. Paul Pichler & Gerhard Sorger, 2016. "The value of commitment and delegation for the control of greenhouse gas emissions," Vienna Economics Papers 1604, University of Vienna, Department of Economics.
    2. Joerg Breitscheidel & Hans Gersbach, 2005. "Self-Financing Environmental Mechanisms," CESifo Working Paper Series 1528, CESifo.
    3. Olga Chiappinelli & Karsten Neuhoff, 2017. "Time-Consistent Carbon Pricing," Discussion Papers of DIW Berlin 1710, DIW Berlin, German Institute for Economic Research.
    4. Aekapol Chongvilaivan & Jung Hur, 2007. "Time-Inconsistent Domestic Environmental Policies and Optimal International Environmental Arrangements," Journal of Institutional and Theoretical Economics (JITE), Mohr Siebeck, Tübingen, vol. 163(4), pages 731-758, December.
    5. Olga Chiappinelli & Karsten Neuhoff, 2020. "Time-Consistent Carbon Pricing: The Role of Carbon Contracts for Differences," Discussion Papers of DIW Berlin 1859, DIW Berlin, German Institute for Economic Research.
    6. Raphael Calel, 2011. "Market-based instruments and technology choices: a synthesis," GRI Working Papers 57, Grantham Research Institute on Climate Change and the Environment.
    7. Pichler, Paul & Sorger, Gerhard, 2018. "Delegating climate policy to a supranational authority: a theoretical assessment," European Economic Review, Elsevier, vol. 101(C), pages 418-440.
    8. Chiappinelli, Olga & May, Nils, 2022. "Too good to be true? Time-inconsistent renewable energy policies," Energy Economics, Elsevier, vol. 112(C).
    9. McGregor, Peter G. & Kim Swales, J. & Winning, Matthew A., 2012. "A review of the role and remit of the committee on climate change," Energy Policy, Elsevier, vol. 41(C), pages 466-473.
    10. Agnes d'Artigues & Jacques Percebois & Thierry Vignolo, 2007. "The Time-Inconsistency of Alternative Energy Policy," Economics Working Papers ECO2007/32, European University Institute.
    11. repec:ebl:ecbull:v:1:y:2007:i:1:p:1-7 is not listed on IDEAS
    12. Florian Habermacher & Paul Lehmann, 2017. "Commitment vs. Discretion in Climate and Energy Policy," CESifo Working Paper Series 6355, CESifo.
    13. Florian Habermacher & Paul Lehmann, 2020. "Commitment Versus Discretion in Climate and Energy Policy," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 76(1), pages 39-67, May.
    14. Paul Pichler & Gerhard Sorger, 2016. "The value of commitment and delegation for the control of greenhouse gas emissions," Vienna Economics Papers vie1604, University of Vienna, Department of Economics.
    15. Cameron Hepburn, 2006. "Regulation by Prices, Quantities, or Both: A Review of Instrument Choice," Oxford Review of Economic Policy, Oxford University Press and Oxford Review of Economic Policy Limited, vol. 22(2), pages 226-247, Summer.
    16. Thierry Vignolo & Jacques Percebois & Agnes dArtigues, 2007. "The time-inconsistency of alternative energy policy," Economics Bulletin, AccessEcon, vol. 1(1), pages 1-7.

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    More about this item

    Keywords

    Time Inconsistency; Environmental Taxation; Monetary Policy; Delegation;
    All these keywords.

    JEL classification:

    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • E61 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Policy Objectives; Policy Designs and Consistency; Policy Coordination
    • Q43 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Energy and the Macroeconomy
    • Q48 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Government Policy

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