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构建中国和美国石油脆弱性的评价指标体系,运用熵权法对脆弱性指数中的指标赋权,根据2002—2012年指标数据对中美两国石油脆弱性进行评价和比较。结果表明:中国石油脆弱性的波动程度比美国大得多,其中,中国石油脆弱性呈波动上升趋势,美国石油脆弱性呈波动下降趋势。中美石油脆弱性波动程度的比较表明建立完善的石油储备体系非常重要。
The evaluation index system of petroleum vulnerability in China and the United States is constructed. Employing the entropy method to the indicators in the vulnerability index, the petroleum vulnerability of China and the United States is evaluated and compared according to the index data of 2002-2012. The results show that the vulnerability of China’s oil is much more volatile than that of the United States. Among them, the vulnerability of China’s oil shows a rising trend of volatility while the vulnerability of U.S. oil shows a downward trend of volatility. A comparison of the degree of volatility in Sino-U.S. Oil vulnerability shows that it is important to establish a sound petroleum reserve system.