机译:ICT对富国和贫穷国家的经济增长的影响
Univ Elect Sci & Technol China Sch Management & Econ Chengdu Peoples R China|Univ Elect Sci & Technol China Ctr West African Studies Chengdu Peoples R China;
Univ Elect Sci & Technol China Sch Management & Econ Chengdu Peoples R China;
Information and communication technology (ICT); Economic growth; Labour productivity; Income groups; IV-GMM;