臺灣博碩士論文加值系統

本文以2004年到2012年台灣上市櫃公司作為研究對象，觀察母子公司間內部交易銷售比重，並以我國於2005年移轉訂價查核制度開始實施與2010年營利事業所得稅率從25%調降為17%為研究主軸，來探討對於公司所得移轉之影響。
實證結果顯示我國於2005年移轉訂價制度開始實施後，企業皆降低母公司對子公司的內部交易銷售比重與子公司對母公司的內部交易銷售比重，減少規避稅負的程度 ; 但對於我國於2010年營利事業所得稅率從25%調降為17%後，不論是母公司對子公司的內部交易銷售比重與子公司對母公司的內部交易銷售比重，均為減少之情況，可能原因為我國稅率降低後，因縮小了與國外稅率差異之避稅空間，故母子公司間內部交易比重減少，進而使移轉利潤程度降低。
本文另發現，樣本公司若屬於跨國企業，實證結果顯示跨國企業確實會比非跨國企業內部交易移轉得多，且跨國企業在移轉訂價開始實施年度後，有降低母子公司間內部銷售比重，即跨國企業所得移轉行為受移轉訂價查核準則之影響大於非跨國企業 ; 但對於在營利事業所得稅率調降為17%後，其實證結果顯示跨國企業對於利用母子公司間內部交易銷售來配置所得並無顯著影響。

This thesis uses data of the listed and OTC companies in Taiwan from 2004 to 2012 to observe the sales proportion of intrafirm trade between the parent company and subsidiaries. The study examines the impact of the implementation of transfer pricing regulation in 2005 and the reduction of Profit-Seeking Enterprise Income tax rate from 25% to 17% in 2010 on Corporate Income Shifting.
The empirical results show that after implementation of transfer pricing regulation in 2005, the enterprises reduce the sales proportion of intrafirm trade between the parent company and subsidiaries, which decrease the extent of tax avoidance. And the study expects enterprises will increase the profit allocation of parent companies in Taiwan after the tax rate reduction in 2010. However, empirical results show that both the sales proportion of intrafirm trade of parent company to subsidiaries and the sales proportion of intrafirm trade of subsidiaries to parent company were decreasing. The possible reason is that the reduction of corporate tax rate, makes the tax rate differences between Taiwan and the foreign, so that the degree of income shifting between the parent company and its subsidiaries.
This research also found that if the sample companies are multinational enterprises, empirical results show that their intrafirm trade shifting indeed much more than the non-multinational enterprises. And after implementation of transfer pricing regulation in 2005, the multinational enterprises reduce the sales proportion of intrafirm trade between the parent company and subsidiaries. So the transfer pricing guidelines have greater effects on the income shifting behaviors of multinational enterprises than the behaviors of non-multinational enterprises. But after the Profit-Seeking Enterprise Income tax rate reduction in 2010, the empirical results show that this tax rate reduction policy did not have a significant effect on the intrafirm trade behavior of multinational enterprises.

第一章 緒論 1
第一節 研究背景與動機 1
第二節 研究目的 4
第三節 研究流程與架構 5
第二章 文獻探討與假說建立 6
第一節 跨國企業移轉訂價與所得移轉之相關文獻 6
第二節 租稅改革影響跨國企業所得移轉之相關文獻 13
第三節 建立研究假說 16
第三章 研究方法 18
第一節 建立實證模型 18
第二節 變數定義 20
第三節 資料來源與樣本選取 28
第四章 實證結果與分析 31
第一節 敘述性統計量 31
第二節 相關係數分析 34
第三節 獨立樣本T檢定 38
第四節 迴歸結果分析 46
第五節 敏感性分析 52
第五章 結論與建議 55
第一節 結論 55
第二節 研究限制 57
第三節 研究建議 57
參考文獻 58

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