本研究探討供應鏈財務依賴關係 (亦即主要客戶的存在) 對企業社會責任(CSR) 表現的影響。研究資料取自 COMPUSTAT 與 Kinder, Lydenberg and Domini (以下簡稱 KLD) 資料庫，涵蓋 2000至 2019年間美國上市櫃公司，共計 19,561筆觀察值，並採用迴歸分析進行實證檢驗。
實證結果顯示，當供應商對主要客戶之財務依賴程度越高，其企業社會責任表現亦有顯著提升。進一步的事後分析指出，企業更傾向於投入內部CSR實踐 (例如員工關係與公司治理)，以強化內部管理與組織穩定性；反之，在主要客戶存在的情況下，企業較少從事外部CSR活動 (如環境保護與社區參與) 。此外，產業層面分析亦顯示，服務業相較於製造業在CSR投入上表現更積極，顯示產業特性可能影響供應鏈依賴與 CSR 表現之間的關係。
整體而言，本文不僅補足現有文獻中對供應鏈依賴關係與非財務績效關聯之研究缺口，亦對企業在高度依賴且變動快速之供應鏈環境中擬定CSR策略，提供實務啟示與理論貢獻。

This study investigates the impact of supply chain financial dependence, i.e., the presence of major customers, on corporate social responsibility (CSR) performance. Using panel data from COMPUSTAT and the Kinder, Lydenberg, and Domini (KLD) databases, the empirical analysis covers 19,561 firm-year observations of U.S. publicly listed companies from 2000 to 2019. Ordinary least squares (OLS) and fixed-effect regression models are employed to examine the relationship. The results indicate that a higher level of supplier dependence on major customers is positively associated with enhanced CSR performance. Further analysis reveals that firms are more likely to invest in internal CSR practices (e.g., employee relations and corporate governance) to strengthen internal management and organizational stability. Firms, on the other hand, are less likely to engage in external CSR activities (e.g., environmental protection and community involvement) due to the presence of major customers. Industry-level analysis also demonstrates that firms in the service sector exhibit more active CSR engagement than those in manufacturing, suggesting that industry characteristics may moderate the relationship between supply chain dependency and CSR outcomes.
Overall, this study contributes to the literature by bridging the research gap on the link between supply chain dependency and non-financial performance. It also provides both theoretical and practical insights for firms aiming to formulate CSR strategies under conditions of high dependency and increasing supply chain complexity.

論文審定書………………………………………………………………..i
誌謝………………………………………………………………………..ii
中文摘要………………………………………………………….……iii
英文摘要………………………………...…………..…………………….iv
目 錄……………………….………………………………………….v
第 一 章 緒論…………………………………………………………1
第 二 章 文獻回顧與假說…………...………………….………5
第一節 供應鏈管理……….…………………...……………………5
第二節 資源依賴理論………………………………………………5
第三節 資源平衡/不平衡對企業績效之影響………...……………6
第四節 企業社會責任之相關文獻…………………………………7
第五節 假設發展……………………..…………………………….8
第 三 章 資料變數與研究方法……………………………………….11
第一節 樣本與資料來源…………………..…….…………………11
第二節 研究設計…………………………………………………...11
第三節 研究方法…………………………………………...………16
第 四 章 實證結果…………………………………………………….17
第一節 變數敘述統計……………………………………………...17
第二節 變數相關係數……………………………………….……17
第三節 迴歸分析………………….………………………………22
第四節 穩健性測試…………….…………………………………23
第 五 章 事後分析……………………….……………………………24
第一節 公司CSR投入層面分析………………………………...24
第二節 公司CSR投入產業分析...…………...….………..…….26
第 六 章 研究討論………………………………………….…………28
第一節 理論面貢獻………………………………….……………28
第二節 實務面貢獻…………………………….…………………29
第 七 章 結論、限制與研究建議………………….…………………30
第一節 結論……………………………………………………….30
第二節 限制與研究建議………………………………………….30
參考文獻…………………………………………………….…………..32

中文文獻
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