부산대학교 도서관

This study aims to analyze the factors of population change in Tottori Prefecture, Shimane Prefecture, and Kochi Prefecture, where there have been remarkable population decreases, of the metropolitan administrative cities in Japan. This analysis would pay attention to the fact that the properties of the composition of the population as the local population flowed out to the cities to presume the factors by which it was changed, from the perspective of the regional economics. As a result of the analysis, the following conclusions have been drawn. First, the distance variable acted as a factor of migration. This means that the shorter the distance, the more the migration became, while the longer the distance, the less it became. Second, there was an active mobility of the population between 14 and 19 years of age. The population between 14 and 19 years of age is an age group of people who are in high school or enters college, who choose a migration, considering job opportunity in addition to the economic situations in Tottori Prefecture, Shimane Prefecture, and Kochi Prefecture. Third, the migration factors between regions differed between move-out and move-in. It turned out that the distance variable commonly acted on move-out in Kochi Prefecture, Shimane Prefecture, and Tottori Prefecture. The distance variable also commonly affected move-in. The distance variable had the biggest impact on the characteristics of move-out and move-in in these regions, and migration was accelerated nationwide.