Impact of financial development on China's total factor productivity 并列题名：Impact of financial development on China's total factor productivity Impacts of artificial intelligence on the total factor productivity Impact of internet development on urban total factor productivity in digital economy era 并列题名：Impact of internet development on urban total factor productivity in digital economy era Studies on the infrastructure investment's impact on China's total factor productivity Impact of trade on China's economy and productivity 并列题名：Studies on the infrastructure investment's impact on China's total factor productivity Study on the impacts of the internal pay gap on enterprise's total factor productivity Sustainable growth total factor productivity