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为研究国际石油价格波动对我国石油产业各类主体盈利能力的影响,通过面板数据分析了国际油价对产业主体盈利能力的作用以及各主体间的盈利能力差异。研究发现,石油产业上、中、下游行业盈利水平存在明显差异,随着石油价格的攀升,中游行业盈利向上、下游分化;除橡胶制品业外,石油产业大、中型企业的盈利水平低于行业总体水平,行业盈利能力向中、小型企业分化,同时国有及国有控股企业盈利能力较三资企业低。
In order to study the impact of international oil price fluctuations on the profitability of various types of oil industry in China, the panel analyzes the effect of international oil prices on the profitability of industry players and the profitability of the various players. The study finds that there are obvious differences in the profitability of upstream, middle and downstream industries. With the rise of oil prices, the profits of the midstream industry split upwards and downwards. Besides the rubber products industry, the profitability of large and medium-sized oil companies is lower than that of the industry At the same time, the profitability of state-owned and state-controlled enterprises is lower than those of foreign-funded enterprises.