宋代城市商业的繁盛与坐贾势力的发展壮大

中国传统社会前期，行商是商业活动中的盈利主体，在市场上处于支配地位。自宋开始，坐贾的势力日益壮大，宋代成为了中国传统社会商人发展历程中行商与坐贾势力消长的重要转折时期。这一变化的出现，从本质上说是宋代商品经济繁盛的大环境下，坊市制度的崩溃、城市商业迅猛发展的结果，在宋代市场扩张、市场结构日益复杂、商品流通总量剧增的市场环境下，城市坐贾所具有的熟悉市场，对市场信息反馈迅速的特点，决定了他们在城市的市场活动中处于领先的位置。在市场信息不对称条件下，城市坐贾所具有的流动性较小、信誉度较高等特点也使其在激烈的市场竞争中得以进一步发展。

The prosperous city commercial development and the expanding of sitting merchant in Song Dynasty

In the early China traditional society, itinerant merchant were in the dominant position in the market, but since the song dynasty, itinerant merchant 's power expants day by day. In essence, The occurrence of such a change is the result that the Fang city system collapse and The rapid development of city commercial. In the Environment economy prosperous Song Dynasty commodity, the Characteristic of sitting merchant, such as familiar with the market、 On the feedback of market information quickly, decive they are in the leading position in the city market activities. In addition, under the asymmetric information of market, The characteristics of urban sitting merchants have less mobile, high degree of credibility Also make its further development in the fierce competition in the market.