The dynamic analysis of APPLE related stock price

[[abstract]]本文研究2008年至2013年美國那斯達克掛牌交易之AAPL(APPLE)加上在台灣證券交易所掛牌交易之股票標的(鴻海、鴻準、勝華、正崴、大立光、新普、台郡)，探討彼此間之連動性。向量自我迴歸結果發現鴻海、鴻準、勝華、正崴、大立光、新普、台郡短期股價均受美國APPLE前一期股價所影響。其次，在Granger因果關係分析發現鴻海集團股價影響其他概念股股價最為明顯。最後，在預測誤差變異數分解及衝擊反應分析發現鴻海對自我解釋能力最高，不受其他股票影響，且足以對其他股價具有極大的影響力。本文可供欲投資APPLE相關概念股的大眾作為投資參考。[[abstract]]This paper explores the relationships between the Apple listed in NASDAR and HON HAI FOXCONN WINTEK CHENG UEI LARGAN SIMPLO FLEXIUM listed in Taiwan from 2008 to 2013 Through vector auto-regression model the result shows that the stock prices of HON HAI FOXCONN WINTEK CHENG UEI LARGAN SIMPLO FLEXIUM are affected by Apple stock prices in the short-term Secondly via the Granger causality test we found that HON HAI prices are affected significantly other stocks Finally the result shows that the stock prices of HON HAI can be explained by itself with the variance decomposition analysis and impulse response can be analysis and influencing the other stocks but not affected by others This paper can provide information when they need to invest about the apple concept stoc