本研究は，消費者の購買行動に着目して，仮想空間上で購買地の動態を表現し，分析するものである.購買地の動態や，より大きな意味で都市の動態に関する既往研究には多くの蓄積がある.古くは，古典的立地論の代表であるウェーバーの工業立地論，クリスタラーの中心地理論などがある.%This paper intends to express and analyze the dynamics of retail zones on virtual space from a viewpoint of consumers' choice behavior. Related on this study, there is a series of the representative previous studies established by Wilscm A. G. which mainly deal with simplified consumers' choice behavior and retail zone. To improve them, we improve model in the two points shown below; 1.It considers consumers' trip-chaining behavior in addition to single choice behavior. 2. It distinguishes the several attributes of retail zone. To improve these models, we suggest the methods to create different choice set according to each consumer. In this study, we find the results which have not been discovered in previous studies by the above-mentioned model improvements. First, small retail zone tends to survive compared to the previous models. Second, each of the small retail zones belongs to the particular big retail zone and the consumers who choose two retail zones consume in small retail zones, therefore, small retail zones enable to survive.
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