中文摘要：

采用时间序列角度，从短时期跨度和长时期跨度2个方面考察体彩排列三和福彩3D2支数字型彩票销量的影响因素。研究发现：当前数字型彩票已临近衰退期：体彩排列三需求弹性为3．35；彩民倾向于将直选奖金用于非彩票方面，组选奖金用于继续购彩；体彩排列三与福彩3D以荣衰与共的互补关系为主；2008年5月的体彩排列三限赔限号事件代价巨大等。借鉴产业集聚效应与合作营销相关理论，认为为提升体彩排列三等数字型彩票销量，应不断推出衍生新玩法，返奖率提高至60％，体彩中心与福彩中心开展合作营销，树立防范意识恰当应对危机等。

英文摘要：

This paper researches the influencing factors to two Numbers：Pick 3 of Sports lottery and 3D of welfare lottery on the angle of time series including two aspects of short and long time span. We find that： the Numbers has been close to recession period; the demand elasticity of Pick 3 is 3. 35;Players is client to spent straight prize in to non lottery areas and box prize in buying lottery; the relation between Pick 3 and 3D is more complementary than competitive; the Accident of Limiting Odds and Numbers for Pick 3 in May 2008 cost enormously. By adopting relative theories on the Industry Agglomeration Effect and Co-marketing, in order to increase the sales of Pick 3, we put forward suggestion as below： new derivative bets should be launched; the Pay-out rate should be increase to 60 % ; Sports Lottery Center and Welfare Lottery Center should carry out Co-marketing together; Crisis of lottery should be on guard and be responded properly.