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Séminaire CIRED : Jeroen van den Bergh

par Arancha Sánchez - publié le , mis à jour le

Résumé / Abstract

Unilateral climate policies have been unable to achieve intended emissions reductions. We argue that international harmonization of climate policy is the only way forward, and that global carbon pricing is the best available instrument to manage this. A foundation has already been laid, as current carbon pricing initiatives cover about 20% of global CO2 emissions. Since it limits free-riding by countries, negotiating global carbon pricing is behaviourally easier than negotiating other instruments, such as targets or standards. To overcome political resistance, we propose a dynamic strategy consisting of two parallel tracks. The first entails assembly of a carbon-pricing coalition that expands over time and exerts moral and economic pressure on non-members to join. The second track involves refocusing UNFCCC negotiations on carbon pricing, resulting initially in heterogeneous prices based on countries’ income levels, which then gradually converge. The two tracks are designed to reinforce one another, increasing the likelihood of a successful outcome. In addition, it is argued that a multi-level club of countries and sub-national regions or states should be considered to include part of the emissions of countries that are unwilling to join the club. The proposal results in a transition trajectory consisting of two interactive tracks, two levels, and five phases. To increase its political feasibility attention is also given to comparison with other instruments on four performance criteria, national and international revenue recycling, and the role of complementary policies.

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