本文在梳理和总结我国地区经济发展进程中所表现出的特征基础上,运用方差分析方法探讨地区经济发展模式.结果表明,我国区域经济增长模式呈现出由粗放型向集约型的转变特征,造成我国各省之间收入差距扩大的原因主要是集约性因素.国际贸易通过传染效应、干中学效应、演示和培训效应以及竞争效应可以提高生产效率和技术能力,优化产业结构,进而促进经济增长.“,”This paper summarizes China's regional economic development characteristics and uses the methodology of variance analysis to investigate the regional economic development model.The result is that: China's regional economic growth mode shift from extensive to intensive.The intensive factors are the main reason of widening income gap between China's provinces.International trade can promote economic growth by contagion effect,learning by doing effects,presentations and training effects,and competition effects.