Journal
ENERGY ECONOMICS
Volume 27, Issue 4, Pages 603-615Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.eneco.2005.03.002
Keywords
cointegration; natural gas; globalization
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This paper investigates the degree of integration of natural gas markets in Europe, North America and Japan in the time period between the early 1990s and 2004. The relationship between international gas market prices and their relation to the oil price are explored through principal components analysis and Johansen likelihood-based cointegration procedure. Both of them show a high level of natural gas market integration within Europe, between the European and Japanese markets as well as within the North American market. At the same time the obtained results suggest that the European (respectively, Japanese) and the North American markets were not integrated. (c) 2005 Elsevier B.V. All rights reserved.
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