An empirical analysis of the risk of crude oil imports in China using improved portfolio approach
| Year of publication: |
2007
|
|---|---|
| Authors: | Wu, Gang ; Wei, Yi-Ming ; Fan, Ying ; Liu, Lan-Cui |
| Published in: |
Energy Policy. - Elsevier, ISSN 0301-4215. - Vol. 35.2007, 8, p. 4190-4199
|
| Publisher: |
Elsevier |