Research on the impact mechanism of spillover effect of Word-of-mouse 并列题名：Research on the impact mechanism of spillover effect of Word-of-mouse Research on the technological spillover effect of FDI in China Research on the formation mechanism of and spatial spillover effect of industrial coagglomeration research on the impact of mechanism of e-commerce adoption in Chinese family business Research on the impact path and mechanism of emergency events on urban image Analysis about mechanism on spillover effect of service FDI 并列题名：Research on the formation mechanism of and spatial spillover effect of industrial coagglomeration Research on the tourism spillover effects and its measurement