員工持股信託計劃（Employee Stock Ownership Plans，ESOPs）在美、日等國已行之多年，相關研究也相當多。反之，臺灣企業自實施員工持股信託計劃以來，少有專論持股信託之實證研究發表。本文即是想探討臺灣企業實施員工持股信託後對公司績效的影響。本文以在國內某家銀行承作持股信託二年以上的公司為樣本，探討企業實施員工持股信託計畫與公司績效的關連性，實證結果發現在企業實施員工持股信託計劃之後的前三年，其資產報酬率、淨利率及成長機會有明顯上升的趨勢，其中員工持股信託對公司有短期的激勵效果，但其效果會隨著時間遞減，再進一步加入控制變數之結果顯示，員工分紅持股信託對公司績效表現具有較正面的影響，對員工之激勵效果較佳。 / In the US and Japan, Employee Stock Ownership Plans（ESOPs）have been practiced for more than 30 years, and related empirical studies are also abundant . However, similar studies have seldom been conducted in Taiwan. The purpose of this paper to examine whether there is significant impact on corporate performance that adopted ESOPs in Taiwan. We choose firms which have adopted ESOPs for two years or longer in a specific bank as our sample. We find that certain measures of corporate performance such as ROA、PM、Tobin's Q, improve significantly within the first three years after the plans went into effect. In general, ESOPs have positive effects on firms in the short run. However, this positive effect decreases gradually. Our results suggest that firms adopting employee bonus trust have better performance in our sample.