并列题名：Research on the impact of analyst coverage on self-serving attribution in MD&A Research on the impact of analyst coverage on self-serving attribution in MD&A 并列题名：Research on the impact of internet on China urban innovation output 并列题名：Research on the impact of credit constraints on rural households' entrepreneurship in China 并列题名：Research on the impact of local government behavior on enterprise innovation 并列题名：Research on the impact of shadow banking on monetary policy in China 并列题名：Research on the impact of online payment on household saving rate 并列题名：Research on the impact of customized green information 并列题名：Research on the impact of investor attention on stock pricing 并列题名：Research on the impact of trade liberalization on employment