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| Title: | 加入自願性倡議組織對於企業減碳成效與ESG表現之探討:以RE100公司為例
The Impact of Joining Voluntary Initiatives on Carbon Reduction and ESG Performance: The Case of RE100 Companies |
| Authors: | 劉晏争
Liu, Yan-Zheng |
| Contributors: | 楊曉文
Yang, Sharon
劉晏争
Liu, Yan-Zheng |
| Keywords: | RE100
自願性環境倡議
碳排放強度
ESG評級
先行者效應
雙重差分法
事件研究法
RE100
Voluntary Environmental Initiatives
Carbon Emissions Intensity
ESG Ratings
First-Mover Effect
Difference-in-Differences
Event Study |
| Date: | 2025 |
| Issue Date: | 2025-07-01 15:16:12 (UTC+8) |
| Abstract: | 在全球邁向淨零碳排與永續轉型的趨勢下，企業參與自願性環境倡議組織已成為推動ESG布局的重要策略之一。然而，相關倡議對企業實質減碳成效與ESG評級的影響，至今仍存在諸多討論。本文以2005年至2024年間加入RE100之327家企業為樣本，運用雙重差分法、固定效果模型與事件研究法，分析企業在加入前後的碳排放強度、ESG總分與各項細部指標之變化，並進一步探討加入時點對碳排成效的影響。研究結果顯示，企業在加入RE100後整體碳排放強度顯著下降，特別是在間接排放（範疇二）方面效果最為明顯；早期加入者相較後期企業展現更顯著的減碳幅度，驗證先行者效應的存在。在ESG評分方面，環境指標於加入後呈現明顯提升，部分企業甚至於加入前即出現提前反應。本文補足目前RE100相關實證研究之缺口，並對自願性永續政策的實質影響提供具體證據與政策啟示。
Amid the global transition toward net-zero emissions and sustainable development, corporate participation in voluntary environmental initiatives has become a key strategy for advancing ESG practices. However, the actual impact of such initiatives on corporate carbon reduction performance and ESG ratings remains subject to debate. This study examines a sample of 327 companies that joined the RE100 initiative between 2005 and 2024. Using a combination of difference-in-differences (DID) estimation, fixed effects models, and event study methodology, the research analyzes changes in carbon emissions intensity, ESG overall scores, and detailed sub-indicators before and after joining RE100. The empirical results reveal a significant decrease in overall carbon emissions intensity following participation, particularly for indirect emissions (Scope 2). Furthermore, early adopters exhibit more pronounced reductions compared to later joiners, confirming the presence of a first-mover advantage. In terms of ESG performance, environmental scores show a notable increase post-adoption, with some firms exhibiting early responses even prior to official commitment. This study fills a gap in the empirical literature on RE100 and provides concrete evidence and policy insights regarding the effectiveness of voluntary sustainability initiatives. |
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| Description: | 碩士
國立政治大學
金融學系
112352004 |
| Source URI: | http://thesis.lib.nccu.edu.tw/record/#G0112352004 |
| Data Type: | thesis |
| Appears in Collections: | [金融學系] 學位論文
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