Study on the quality effect of fiscal policy on China's economic growth 并列题名：Study on the quality effect of fiscal policy on China's economic growth Study on the measurement and empirical analysis of China's economic growth quality Study on the effect and efficiency of patent system on economic growth Study of financial industry aggregation and its impact on regional economic growth Study on the asymmetric effects of monetary policy on industries in China Study on oil price shocks' impact on economic growth Study on the effects of audit control over public economic power Study on the mechanism of China's sustainable economic growth Research on the impact of economic policy uncertainty on economic growth