This paper elaborates the social and economic effect of sports lottery from the macroscopic and microscopic perspectives, with research methods including literature, interview, survey, and mathematical statistics. Based on the utility theory and risk theory of traditional microeconomics, this paper carried an indepth analysis on the motivation of buying sports lottery with combined consideration of decision utility theory, psychological effect, investment coefficient, tax effect, and external effect, hoping to provide reference for government with better financing function of sports lottery. &...
