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Title: | Systematic review and meta-analysis of ex-post evaluations on the effectiveness of carbon pricing | Authors: | Doebbeling-Hildebrandt, Niklas Miersch, Klaas Khanna, Tarun M. Bachelet, Marion BRUNS, Stephan Callaghan, Max Edenhofer, Ottmar Flachsland, Christian Forster, Piers M. Kalkuhl, Matthias Koch, Nicolas Lamb, William F. Ohlendorf, Nils Steckel, Jan Christoph Minx, Jan C. |
Issue Date: | 2024 | Publisher: | NATURE PORTFOLIO | Source: | Nature communications, 15 (1) (Art N° 4147) | Abstract: | Today, more than 70 carbon pricing schemes have been implemented around the globe, but their contributions to emissions reductions remains a subject of heated debate in science and policy. Here we assess the effectiveness of carbon pricing in reducing emissions using a rigorous, machine-learning assisted systematic review and meta-analysis. Based on 483 effect sizes extracted from 80 causal ex-post evaluations across 21 carbon pricing schemes, we find that introducing a carbon price has yielded immediate and substantial emission reductions for at least 17 of these policies, despite the low level of prices in most instances. Statistically significant emissions reductions range between -5% to -21% across the schemes (-4% to -15% after correcting for publication bias). Our study highlights critical evidence gaps with regard to dozens of unevaluated carbon pricing schemes and the price elasticity of emissions reductions. More rigorous synthesis of carbon pricing and other climate policies is required across a range of outcomes to advance our understanding of "what works" and accelerate learning on climate solutions in science and policy. | Notes: | Döbbeling-Hildebrandt, N; Minx, JC (corresponding author), Mercator Res Inst Global Commons & Climate Change, Berlin, Germany.; Döbbeling-Hildebrandt, N; Minx, JC (corresponding author), Univ Leeds, Sch Earth & Environm, Priestley Int Ctr Climate, Leeds, W Yorkshire, England. doebbeling@mcc-berlin.net; minx@mcc-berlin.net |
Document URI: | http://hdl.handle.net/1942/44437 | e-ISSN: | 2041-1723 | DOI: | 10.1038/s41467-024-48512-w | ISI #: | 001310019300039 | Rights: | The Author(s) 2024. Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/ licenses/by/4.0/. | Category: | A1 | Type: | Journal Contribution |
Appears in Collections: | Research publications |
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s41467-024-48512-w.pdf | Published version | 1.92 MB | Adobe PDF | View/Open |
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