抄録
This report is the analyses of constructive activity level among regions-prefecture, rural or urbau, etc-used as materials the survey of construction works started. The report consists of several chapters. In the report I the purpose, the method of the study and analyses time series are treated. To be spoken specially is next. Levels of constructive activity among regions reply to trade cycle well, but hause investments are hardly influenced by times. This trend is the same as the total of all prefectures.
