近年來,國內外發生一連串企業掏空、舞弊案件,使得公司治理受到重視,在公司的內部監督機制中審計委員會具有很重要的地位,審計委員會的運作及對於財務報表的監督有效性,值得關注,故本研究探討審計委員會品質對於庫藏股交易及應計項目盈餘管理之間替代關係的影響。 本研究是以審計委員會的規模、審計委員會的開會次數、審計委員會成員中的具有財務專長或是具有會計專長比、審計委員會平均出席率、審計委員會成員平均兼任其他公司家數作為衡量審計委員會品質的衡量以探討審計委員會品質庫藏股交易及應計項目盈餘管理的影響。 實證結果有三個發現,第一個發現是當公司的審計委員會品質是較高的情況下,對於庫藏股交易的影響是呈現負向關係,但沒有達顯著水準,第二個發現是當公司的審計委員會品質是較高的情況下,對於應計項目盈餘管理呈現正向關係,但沒有達顯著水準。第三個發現是當公司的審計委員會品質是較高的情況下,對於庫藏股交易及應計項目盈餘管理之間的替代關係呈現負向關係,但沒有達顯著水準。
Recently, in domestic and foreign country’s company occurred enterprise emptied and fraud let corporate governance increase importance. The audit committee in corporate governance plays an important role. The audit committee’s operating and effective monitoring pays attention. The study examine that the effect of audit committee quality on the trade-off between accretive stock repurchase and accrual-based earnings management. The audit committee quality is measured by audit committee size, audit committee’s number of meeting, audit committee member average attendance rate, and the average number of part-time independent directors of other companies to examine the audit committee quality effect on stock repurchase and accrual-based earning management. The empirical results have three findings. First, the higher audit committee quality has a negative impact on stock repurchase, but this association did not reach significant levels. Second, the higher audit committee quality has a positive impact on accrual-based earning management, but this association did not reach significant level. Finally, the higher audit committee quality has a positive impact on trade-off between stock repurchase and accrual-based earning management, but this association did not reach significant level.