Chengdu Plain Economic Zone Evaluation of Urban Land Use Eco-efficiency

Objective of the studyto measure the eco-efficiency of urban land use in Chengdu Plain Economic Zone from 2012 to 2021 and conduct static analyses to eliminate the effects of external environmental variables and random disturbance terms.Research method—SBM model, Malmquist index model. Research results—the mean value of urban land use eco-efficiency in Chengdu Plain Economic Zone declines in the vast majority of time fluctuations without considering random errors and external environmental variables.