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经营投资组合能有效分散风险吗
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作者 李学华 《财会月刊(下)》 2012年第3期80-82,共3页
本文对影响组合风险的关键因素——相关系数及两种组织结构下的组合数量进行分析,以支持风险分散理论适用于经营投资组合分析的观点,只是在分析结果上要进行适当的调整,经营投资多样化分散风险要弱于证券投资多样化。
关键词 经营投资组合 证券投资组合 分散风险 相关系数
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Progress in Foreign Cooperation of China's Oil Industry
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作者 Jin Donghuan Wu Mouyuan Jin Yun 《China Oil & Gas》 CAS 2016年第1期58-64,共7页
In 2015, China's oil companies' overseas equity oil has grown steadily to approximately 150 million tonnes. State-owned oil majors have turned from scale-oriented to profit-oriented by adjusting investment speed and... In 2015, China's oil companies' overseas equity oil has grown steadily to approximately 150 million tonnes. State-owned oil majors have turned from scale-oriented to profit-oriented by adjusting investment speed and optimizing portfolio to improve operating profit of overseas business. The overseas investment of private oil companies mainly focused on two fields: the first is to invest in countries along the Belt and Road (the Silk Road Economic Belt and the 21st-century Maritime Silk Road), and the second is to enter the oil industry of the developed countries by M&A. Limited progress has been made in &e foreign cooperation of domestic upstream sector, while new changes emerged in the foreign cooperation of upstream sector. Some planned projects were postponed or delayed due to domestic or international market changes. Private oil companies, however, began to cooperate with foreign companies in the downstream sector after the former got the right to import crude oil. 展开更多
关键词 Chinese oil companies OVERSEAS The Belt and Road Private oil companies Foreign cooperation
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