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題 名 | 國際散裝海運市場巴拿馬極限型船運價值指數與船價波動因果關係研究=The Causality Analysis on Volatility between Baltic Exchange Panamax Indices and Ship Price in International Dry Bulk Market |
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作 者 | 張瀞之; 王志敏; 周梅菁; | 書刊名 | 航運季刊 |
卷 期 | 17:1 2008.03[民97.03] |
頁 次 | 頁79-99 |
分類號 | 557.4 |
關鍵詞 | 向量自我迴歸; 向量誤差修正; 巴拿馬極限型船運價指數; 船價; 季節效應; Vector auto-regression; Vector error correction; Seasonal effect; |
語 文 | 中文(Chinese) |
中文摘要 | 本文藉由Johansen共整合向量與Granger因果關係檢定探討波羅的海巴拿馬極限型船運價指數(Baltic Exchange Panamax Indices; BPI )與巴拿馬極限型船船價之因果關係。本研究實證後得到以下幾點結論:(1)單根檢定顯示指數與船價之時間序列,呈現非定態序列(Non-stationary Series) ;經一次差分後指數與船價之時間序列,呈現定態序列(Stationary Series),有助於增加本研究之精確性。(2) Granger 因果關係檢定,顯示BPI與船價間具有單向因果關係。(3)Johansen共整合檢定,顯示BPI與船價存在長期之均衡趨勢。(4)變異數分解與衝擊反應函數檢定結果,驗證二手船價在短期受BPI與自身之影響較大;但長期而言,BPI與新船之船價則對二手船價有較大之解釋能力;另外,BPI與二手船價對新船船價之影響有限。另外進行季節效應檢定發現巴拿馬極限型船運價指數有顯著之季節效應,但船價並無明顯之季節性變動。 |
英文摘要 | The methodology of this paper adopted Vector Auto-regression approaches to test the causality between the Baltic Panamax Indices and ship price. The purpose of this paper could provide the characteristic and information transmission situation of BPI and ship price, but also utilize the effective reference information to draw up investment portfolio strategy. The finding on this paper could be summarized as: (1) empirical tests of BPI and ship are non-stationary. However, they are all stationary after using first difference. (2)The ship price is Granger Cause by BPI. (3) Johansen co-integration test is discovered that the ship price and BPI are cointegrated with one common stochastic trend. (4) Adopting impulse response analysis and variance decomposition approaches the secondhand ship price impulse was responded by owned past variance and BPI at short strength that was impulse responded by BPI and new-build ship price at long strength. Moreover, the BPI have presented relative high level or low level on the specific month every year, but ship price hasn't a significantly seasonal effect apparently. |
本系統中英文摘要資訊取自各篇刊載內容。