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Worse off from reduced cost? The role of policy design under uncertain technological advancement

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  • Weitzel, Matthias

Abstract

A simple model is used to illustrate the effects of a reduction in (marginal) abatement cost in a two country setting. It can be shown that a the country experiencing a cost reduction can actually be worse off. This holds true for a variety of quantity and price based emission policies. The most important channel is that a country with lower abatement costs engages in additional abatement effort for which it is not compensated. Under a quantity based policy with a given allocation, a seller of permits can also be negatively affected from a lower carbon price. We also argue that abatement cost shocks to renewable energy and carbon capture and storage (CCS) are different in terms of their effects on international energy markets. A shock to renewable energy reduces fossil fuel rents benefiting energy importers, while the opposite holds for a shock to CCS. The channels obtained in the theoretical model can be confirmed in a more complex global computable general equilibrium model. Some regions are indeed worse off from shock that lowers their abatement costs.

Suggested Citation

  • Weitzel, Matthias, 2014. "Worse off from reduced cost? The role of policy design under uncertain technological advancement," Kiel Working Papers 1926, Kiel Institute for the World Economy (IfW).
  • Handle: RePEc:zbw:ifwkwp:1926
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    References listed on IDEAS

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    5. Klepper, Gernot & Peterson, Sonja & Springer, Katrin, 2003. "DART97: a description of the multi-regional, multi-sectoral trade model for the analysis of climate policies," Kiel Working Papers 1149, Kiel Institute for the World Economy (IfW).
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    Cited by:

    1. Matthias Weitzel, 2017. "The role of uncertainty in future costs of key CO2 abatement technologies: a sensitivity analysis with a global computable general equilibrium model," Mitigation and Adaptation Strategies for Global Change, Springer, vol. 22(1), pages 153-173, January.

    More about this item

    Keywords

    climate policy; prices vs. quantities; renewable energy; CCS; technological uncertainty; CGE model;

    JEL classification:

    • C68 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Computable General Equilibrium Models
    • Q54 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Climate; Natural Disasters and their Management; Global Warming
    • Q58 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environmental Economics: Government Policy

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