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Replication Archive for: Governance Reform Unlocks Decarbonization Dead Zones in Public Procurement

ガバナンス改革が公共調達における脱炭素化のデッドゾーンを解放する：複製アーカイブ (AI 翻訳)

Ashuraliyev, Abduxoliq

Zenodoデータセット2026-05-10#政策Origin: EU
DOI: 10.5281/zenodo.20098951
原典: https://zenodo.org/records/20098951

🤖 gxceed AI 要約

日本語

本アーカイブは、公共調達における脱炭素化に向けたガバナンス改革の効果を検証した研究の再現データを提供する。EU指令2014/24/EUの自然実験を用いた分析により、入札者数の増加と炭素強度の低下が確認された。特に、デッドゾーン（脱炭素化が進まない領域）での炭素排出削減ポテンシャルが国家目標の3～6%に相当することが示された。

English

This replication archive provides data and code for a study on governance reform for decarbonization in public procurement. Using a staggered difference-in-differences design around the EU Directive 2014/24/EU, it finds a 7.2 percentage point reduction in carbon intensity and identifies dead zones covering 3-6% of national Paris-aligned reductions.

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

日本の公共調達における脱炭素化策（グリーン調達法など）の効果検証に示唆を与える。特に、入札制度改革が炭素排出削減に与える影響を定量化した点は、日本版SSBJ基準のもとでの企業・自治体の開示実務にも関連する。

In the global GX context

This paper provides robust empirical evidence on how governance reforms in public procurement can drive decarbonization, directly relevant to global sustainable procurement policies under ISSB and CSRD frameworks.

👥 読者別の含意

🔬研究者:Provides a rigorous causal methodology (DiD, RDD) and replication data for studying policy impacts on carbon emissions in procurement.

🏢実務担当者:Offers evidence that reforming procurement processes (e.g., increasing competition) can reduce carbon intensity, useful for corporate sustainability teams designing green procurement strategies.

🏛政策担当者:Demonstrates that governance reforms like Directive 2014/24/EU can unlock significant emission reductions, informing similar policy design in other regions.

📄 Abstract（原文）

Replication archive This Zenodo record distributes the replication archive for Governance Reform Unlocks Decarbonization Dead Zones in Public Procurement (submitted to Nature Sustainability ). The primary artifact is Data.zip , a repository-aligned archive that expands into the Data/ tree expected by the analysis scripts. What Data.zip contains Processed procurement datasets, including Data/processed/gprd_with_carbon.parquet used by the verification and analysis scripts Reference tables, external validation inputs, and raw-source derivatives needed for the published results Data documentation and audit notes that travel with the extracted Data/ directory Reproduction workflow Clone the GitHub repository Download Data.zip from this Zenodo record Extract Data.zip at the repository root so that the archive recreates the Data/ folder in place Run python verify_all_claims.py for the one-command verification workflow Core verified findings EU-context carbon premium: -4.3% (SB mean 0.3405, MB mean 0.3558; N = 13,638,933) Directive 2014/24/EU staggered DiD estimate: -7.2 percentage points RDD at the EUR 139,000 threshold: +15.2% bidders and -0.33% carbon intensity Dead Zone carbon exposure: 3-6% of national Paris-aligned reductions Code remains available at GitHub . See REPRODUCE.md and START_HERE.md for full instructions.

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gxceed は公開メタデータに基づく研究支援データセットです。要約・翻訳・解説は AI 支援で生成されています。 最終的な解釈・検証は利用者が原典資料に基づいて行うことを前提とします。