技术创新中介下数字经济对经济发展质量作用的四重效应——直接效应、中介效应、溢出效应与异质效应

Agricultural Science Journal of Yanbian University ›› 2024, Vol. 46 ›› Issue (02) : 74-85. DOI: 10.13478/j.cnki.jasyu.2024.02.011

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