本研究以高管薪酬倍數衡量公平性，探討重大客戶與供應商的員工公平性之關聯。本文使用迴歸分析2018年台灣上市上櫃企業，探究重大客戶對高管薪酬倍數之影響。
研究結果發現，高管薪酬倍數與客戶集中度無顯著關聯，可能代表台灣企業不在意供應商CSR相關表現。然而，再進行穩健性及額外測試後，發現公司若有重大客戶，與同業高管薪酬倍數之值相減呈負相關。意指，當公司有重大客戶時，因受客戶監督壓力，公司員工CSR表現較同業佳，或是與同業表現不相上下。另外，從測試中亦可得知，在半導體產業下，客戶集中度與高管薪酬倍數間呈現顯著負相關。係半導體產業行業特性，使得兩者間專屬性投資更加密切且頻繁，因此，客戶會更加注重供應商員工待遇之議題。

The purpose of this study was to investigate whether the major customers effect the executive pay ratio. This study was conducted by multiple regression, and Taiwan's listed OTC companies in 2018 be used for the sample of this research. It explored the impact of major customers on executive pay ratio. And the results showed that there was no significant correlation between the executive pay ratio and customer concentration, which might mean that Taiwanese companies did not care about suppliers’ CSR-related performance. However, after performing robustness and additional tests, it was found that the number that executive pay ratio deducted peers’ had a negative relationship with the presence of major customers. This means that when the company has major customers, the company’s performance will be under pressure from its supervision. Also known as the semiconductor industry, there is a significant negative correlation between customer concentration and executive compensation ratio.

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