Abstract
To develop and reflesh the center or subcenter in a city, it is necessary to know the activity of a shopping center.The purpose of this paper is to develop a index that indicates the activity of the shopping center in a city.The hypothesis is that the activity of a store can be masured by the efficiency of a selling area.And the activity of a shopping center can be indicated by the means of the activity of the stores.Then, the decline of the shopping center can be judged by the index which is the product of the activity by the commercial dencity of the area.It is showed that there are two powerful shopping centers in Kofu city. One is the downtown and another is the suburban center along the Kofu bypass.The result shows that the index clearly expresses the activity of the shopping center.
