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    题名: Information transmission and market interactions across the Atlantic – an empirical study on the natural gas market
    作者: Kao, Chung-wei;萬哲鈺;Wan, Jer-Yuh
    贡献者: 淡江大學經濟學系
    关键词: Natural gas;Price discovery;Cointegration;Common factor model;Volatility spillovers
    日期: 2009-01-01
    上传时间: 2010-08-09 15:40:37 (UTC+8)
    出版者: Elsevier
    摘要: This paper studies the international information transmission and market interactions in the U.S. and U.K. natural gas markets. Three well documented approaches are used to measure the relative importance on the process of price discovery under a quadvariate system. After adjusting the effects of nonsynchronous trading prices, robust results indicate our system that includes spot and futures prices within the two countries are driven by one common factor. Information disseminates efficiently among the four markets concerned. The U.S. futures market dominates as the center for price discovery. The U.K. futures market comes as the second. The spot markets in the U.S. and U.K. are less efficient than their corresponding futures market, where the U.K. spot market contributes the least and almost zero to the price discovery process. Asymmetric volatility spillovers are found in three of the four markets. Volatility in the U.S. futures market increases with positive returns which illustrates the inverse leverage effect in most of the commodity market. Volatilities in the spot markets are negatively related to returns, which is analogous to the traditional leverage effect prevailing in most of the equity stock markets.
    關聯: Energy Economics 31(1), pp.152-161
    DOI: 10.1016/j.eneco.2008.07.007
    显示于类别:[經濟學系暨研究所] 期刊論文

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