摘要：Abstract This paper attempts to focus on the application of the ecological carrying capacity theory and the three‐dimensional state‐space model to th eco‐efficiency evaluation of petrochemical enterprises. This research differs from the existing literature, which focuses on business’ eco‐efficiency from behavioral motivation and strategic perspective. This paper proposes a three‐dimensional state‐space model of ecological efficiency of petrochemical enterprises by adopting a combination of ecological carrying index and state space. This model in a three‐dimensional geometric space takes petrochemical enterprises as a pressurer for natural resources and natural environment. The three axes of space represent the economic status of petrochemical enterprises, the use of resources, and the impact of enterprises on the environment, respectively. It attempts to quantitatively describe economic activities of petrochemical enterprises and the interaction with resources and environment. It focuses on applying the model to calculate the ecological carrying capacity of petrochemical enterprises, verifying the feasibility and applicability of the model in calculating the ecological efficiency of enterprises, and providing theoretical tools for enterprises to make ecological efficiency judgments. The results show that this method can help to find out the problems with resources, economy, and environment during the development of petrochemical enterprises and provide the basis for managers to make strategic decisions of sustainable development.
关键词：three‐dimensional state‐space model;China;ecological carrying capacity;ecological carrying index model;ecological efficiency;petrochemical enterprises;state‐space model
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