What makes climate change mitigation policies work?
気候変動緩和政策の有効性を決める要因は何か (AI 翻訳)
OECD
🤖 gxceed AI 要約
日本語
本論文は、排出量に対する緩和政策の効果に関する実証研究のメタ分析である。121の研究から336の推定値を収集し、農業、建物、産業、電力、運輸の5セクターにわたる価格政策と非価格政策を網羅する。技術中立性が政策効果の重要な決定要因であること、経済的・規制的・情報的政策が同等の効果を持つこと、炭素税の効果は時間とともに増大することなどを示す。
English
This meta-analysis of 336 estimates from 121 studies examines the effects of pricing and non-pricing mitigation policies across five sectors. It finds that technology neutrality is a key determinant of policy effectiveness, and that economic, regulatory, and information-based policies show comparable effectiveness. Carbon taxes' effectiveness increases over time, while transport sector policies are less effective. Observable macroeconomic factors explain little variation, pointing to enforcement and administrative capacity as important drivers.
Unofficial AI-generated summary based on the public title and abstract. Not an official translation.
📝 gxceed 編集解説 — Why this matters
日本のGX文脈において
日本の気候変動政策（例：炭素価格導入、規制強化）の設計に示唆を与える。特に技術中立性の重要性は、産業界との政策対話において考慮すべき点である。
In the global GX context
This paper provides global evidence on which policy designs work best for emission reductions, relevant for international frameworks like the Paris Agreement. The finding on technology neutrality is crucial for policymakers designing carbon pricing and regulatory measures.
👥 読者別の含意
🔬研究者:Provides a comprehensive empirical basis for understanding policy effectiveness, highlighting design attributes and contextual factors.
🏢実務担当者:Offers insights for corporate sustainability teams on which policies are likely to affect their sectors and how design features matter.
🏛政策担当者:Emphasizes technology neutrality and the comparable effectiveness of different policy types, informing instrument choice and policy mix design.
📄 Abstract（原文）
This paper presents a meta-analysis of ex-post empirical evidence on the effects of mitigation policies on emissions. Drawing on 336 estimates from 121 studies, it covers a wide range of pricing and non-pricing mitigation policies across five broad sectors – agriculture, forestry and other land use, buildings, industry, power and transport. The analysis assesses how policy design attributes, studies’ methodological choices and contextual country-specific factors impact estimated policy effectiveness. The results highlight technology neutrality as a key determinant of policy effectiveness. Economic, regulatory, and information-based policies show comparable level of effectiveness in reducing emissions; for some policies, such as carbon taxes, estimated policy effectiveness rises over time. Estimated effectiveness of policies in the transport sector is lower than in other sectors. Observable macroeconomic and country specific characteristics – such as GDP per capita, oil prices, trade exposure, rule of law – explain little of the variation in the impact of policies on emissions. Instead, the findings point to unobserved factors - such as degree of policy enforcement and countries’ administrative capacity – as important drivers of policy effectiveness.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.1787/642fbefe-enfirst seen 2026-06-07 04:44:50
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