Study on the measurement and empirical analysis of China's economic growth quality 并列题名：Study on the measurement and empirical analysis of China's economic growth quality Study on the quality effect of fiscal policy on China's economic growth Research on the impact of human capital on China's economic growth quality Study on the underlying spatial effect in regional economic growth in China Impact of climate change on China's economic growth quality Study on the effect and efficiency of patent system on economic growth 并列题名：Study on the quality effect of fiscal policy on China's economic growth