中文摘要：

基于专业化交易地理集中促成的总合交易费用节约，义乌市场不仅衍生出周边产业集群，从而提升义乌城市集聚度，并进一步引致周边的浙中城市群走上圈层化的发展路径。构建起基于自主层级体系的城市共同体。本文借助新兴古典城市网络分层模型刻画了圈层化的微观机制，并启示内陆城市形成自主共同体，以获取类似海滨城市优势的途径。

英文摘要：

Based on the aggregate transaction cost savings due to the geographical concentration of specialized transactions, Yiwu markets not only brought about the surrounding clusters, and thus raised the concentration degree of Yiwu City; Furthermore, it leads to regional market integration and hierarchy of circles anaang inland cities in Zhejiang province. In accordance with the new classical model about hierarchical network of cities, this paper analyzes the micro - mechanism of hierarchy, and proposes a way to get similar advantages of coastal cities.