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  • 學位論文

美國存託憑證日、夜間報酬之風險結構-以臺灣企業為例

The Study of Day and Night Return of ADRs: Evidence from Taiwan

指導教授 : 李家豪

摘要


跨市場間的資訊傳遞效果會使ADR與標的股在不同市場間的價格表現有所差異,而ADR是否反映出美國市場風險與標的股市場風險為本研究所探討之主旨。由於公司特性(流動性、公司規模)、總體經濟(匯率報酬、人均GDP)與法令規定(法律環境程度、審計報告標準程度)亦會影響ADR價格變動,故本研究探討在考量不同市場結構上的差異下,ADR是否會確實反映出市場風險,以及是否隱含其他風險。本研究以2006年5月1日至2013年3月31日間臺灣ADRs為樣本,將ADR日報酬分為日、夜間報酬來觀察不同市場影響ADR價格之變化,並將ADR分為無標的股與有標的股來觀察兩者是否會受到不同市場因素之影響。 本研究採用追蹤資料中的固定效果模型進行實證分析,發現即使控制公司特性、總體經濟以及法令規定之後,市場風險對於臺灣ADRs定價而言是個重要因子,即臺灣ADRs在公司特性、總體經濟與法令規定影響ADR價格的因素之下,ADR日間報酬確實能反映出美國市場風險,而ADR夜間報酬確實能反映兩地市場風險。此外,本研究也發現ADR報酬所反映出的匯率風險明顯降低ADR價格表現,隱含ADR易受國際匯市震盪所影響,故匯率風險為ADR定價中另一個重要因子。

關鍵字

美國存託憑證 風險 報酬

並列摘要


This study is to explore the risk structure of American depositary receipts (ADRs) by examining the day and night returns of ADRs. The study use 8 ADRs from Taiwan and sample periods covered from May, 2006 to March, 2013. The empirical results show that the day returns of ADRs is significant affected by U.S. market return, and the night return of ADRs is significant affected by Taiwanese market return and U.S. market return. This result implies that the market risk is an important factor for pricing ADRs, even controlling the effects of firm specific characteristics, macroeconomics characteristics and legal environment characteristics. Furthermore, the results of home-based and homeless ADRs show that both of them are affected by U.S. market return. However, the homeless ADRs do not reflect the market risk from Taiwan. The results of this study indicate that the day and night return of ADRs have different risk structure.

並列關鍵字

American depositary receipts Risk Return

參考文獻


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