摘要
投资效率是衡量大型石油公司投资决策合理性的重要指标,文章选取7家国际石油公司以及国内“三桶油”在2014年至2023年的投资及经营数据,基于DEA-BCC模型及DEA-Malmquist指数模型进行投资效率研究。在合理选取具体投入产出指标的基础上,从技术效率、纯技术效率、规模效率以及动态效率方面进行实证分析,并为提升国内石油公司投资效率提出谨慎做好新建项目投资决策、合理规划新老项目投资组合等建议。
Investment efficiency is an important indicator for measuring the rationality of investment decisions of large oil companies.This article selects investment and operational data from seven international oil companies and domestic“three barrels of oil”from 2014 to 2023,and conducts research on investment efficiency based on the DEA-BCC model and DEA-Malmquist index model.On the basis of selecting specific input-output indicators reasonably,empirical analysis is conducted from the aspects of technical efficiency,pure technical efficiency,scale efficiency,and dynamic efficiency,and suggestions are put forward to improve the investment efficiency of domestic oil companies,such as making cautious investment decisions for new construction projects and planning investment portfolios for new and old projects reasonably.
作者
王宇纯
李伟
Wang Yuchun;Li Wei(CNOOC Limited,Beijing 100010;Cnooc Energy Economics Institute,Beijing,100013)
出处
《市场周刊》
2025年第8期17-20,共4页
Market Weekly
关键词
投资效率
DEA模型
投资决策
投资组合
investment efficiency
DEA model
investment decision-making
investment portfolio
