Published in
Springer (part of Springer Nature), Empirical Economics
DOI: 10.1007/s00181-015-1057-1
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Correlation structure and principal components in the global crude oil market
Journal article published in 2016 by
Yue-Hua Dai,
Wen-Jie Xie,
Zhi-Qiang Jiang,
George J. Jiang,
Wei-Xing Zhou 
This paper is available in a repository.
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