An empirical analysis of the risk of crude oil imports in China using improved portfolio approach
2018 ◽
Vol 294
(1-2)
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pp. 47-57
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Keyword(s):
Keyword(s):
2007 ◽
Vol 27
(4)
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pp. 404
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Keyword(s):
Keyword(s):
Keyword(s):
2018 ◽
Vol 95
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pp. 44-63
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