| Summary: | The investment efficiency of real estate can, to some extent, reflect the development of a province's real estate industry. A good efficiency can also be conducive to economic growth and social stability. This paper uses DEA model to measure the real estate investment efficiency of 11 prefecture-level cities in Shanxi Province from 2017 to 2021, which helps to understand the current state of investment efficiency in Shanxi Province. The results found that the mean value of TE in Shanxi Province is 0.8136, the mean value of PTE is 0.9145, and the mean value of SE is 0.9369, indicating that Shanxi is inefficient and there is still room for improvement.
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