“…Secondly, the mechanism analysis of this paper shows that the implementation of China's forest city policy a positive impact on the growth of urban green total factor productivity, mainly through increasing the urban ecological space area, attracting the concentration of labor resources and promoting the progress of green technology. This research result is consistent with previous studies on the change of green total factor productivity in Chinese cities under resource and environmental constraints [44], indicating that forest city, as an environmental regulation policy [45], not only directly affects the urban ecological space area, but also influences the green technology innovation of enterprises in the city to improve the green total factor productivity of the city [46]. However, this paper also found some new influence mechanisms, for example, the positive ecological benefits generated by forest cities can improve the living environment of urban residents, thus attracting high-quality talents, which has not been deeply discussed in previous studies.…”