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  • 學位論文

台灣加權股價指數、原油價格、全世界能源指數與綠能產業股價之關聯性-以LED產業為例

Taiwan stock indexes、North Sea Brent Crudev’s oil price and World Energy to the stock index returns of Taiwan LED industry.

指導教授 : 林文昌
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摘要


本研究探討台灣加權股價指數、北海布蘭特原油價格、全世界能源指數對台灣LED產業加權股價指數的影響,研究期間自2006年1月6日起至2013年12月31日止之的週資料。以單根檢定、共整合檢定、誤差修正模型檢定、衝擊反應、預測誤差變異數分解與Granger因果關係檢定進行實證。 研究結果發現,在單根檢定時,四個變數均呈現單根,但經過一階差分後,則成為恆定序列。共整合檢定時,發現四個變數間最大特性跟出現在有截距項沒有趨勢項,顯示存在共整合關係。在誤差修正模型上,原油價格對全世界能源指數及台灣加權股價指數的影響較為顯著。在衝擊反應分析上,台灣加權股價指數受原油價格、全世界能源指數及LED股價指數衝擊反應影響較為明顯;LED股價指數受全世界能源指數衝擊反應影響較為明顯;全世界能源指數受原油價格衝擊反應影響較為明顯。在預測誤差變異數分解方面,LED股價指數及全世界能源指數外生性很強,而台灣加權股價指數變異數易受LED股價指數變異數的影響。最後Granger因果關係檢定結果發現,只有LED股價僅有領先台灣加權股價指數的關係,其餘全世界能源指數與台灣加權股價指數及原油價格間,具有雙向回饋關係。

並列摘要


This study discusses the impact of Taiwan stock indexes、North Sea Brent Crudev’s oil price and World Energy to the stock index returns of Taiwan LED industry.The information contained within the data applies to the period of January 1,2006 to December 31,2013.For data measurement and results,an empirical analysis method including unit root tests,cointegration tests VECM,impulse response,variancedecomposition,and granger causality tests,was used. The study showed that Taiwan stock indexes、World Energy、North Sea Brent Crudev’s oil price and the stock index returns of Taiwan LED industry appear to be stationary after the first difference in unit root test. Cointegration Test reveals thatTaiwan stock indexes、World Energy、North Sea Brent Crudev’s oil price and the stock index returns of Taiwan LED industry have two cointegrated vector,which indicates the existence of a long-running equilibrium.In the VECM,Impact of oil prices on the World Energy and Taiwan stock indexes is more significant。By way of impulse response, Taiwan stock indexes affected by oil prices,World Energy and the stock index returns of Taiwan LED industry impulse reaction.The stock index returns of Taiwan LED industry affected by World Energy impulse reaction.World Energy affected by oil prices impulse reaction.Finally, a granger causality test showed that only the stock index returns of Taiwan LED industry leads Taiwan stock indexes,it exists feedback relationship between World Energy and Taiwan stock indexes and oil prices.

參考文獻


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