Satoshi Nakagawa
Articles
Internal migration in today's Japan
Geographia Polonica (2000) vol. 73, iss. 1, pp. 127-140 | 
Full text
Abstract
Studies of Japan's internal migration have developed over the last few decades in accordance with changing research methodologies. In particular, the migration between metropolitan and non-metropolitan areas has drawn the attention of researchers. Japanese geographers have observed changing migration patterns, i.e. migration turnarounds in post--war Japan, and have tried to explain them in connection with economic determinants and cohort size in young adults. The obvious inflow into metropolitan areas before the mid 1970s was mostly explained by economic indicators, while the changing cohort size of young adults based on the baby boom in the late 1940s affected the neutral or slightly negative net-migra-tion for metropolitan areas during the mid 1970s and mid 1980s. The "reurbanization" trend after the mid 1980s can be attributed partly to Tokyo's change into a "global city". The traditional cross-sectional approach to migration studies seems, however, to be losing its efficacy gradually because of the diversified behaviours of migrants. The author has therefore presented a longitudinal study of migrants and pointed out the increasing importance for the recent migration trend of non-economic factors, such as education and marriage.
Keywords: internal migration, metropolitan area, non-metropolitan area, longitudinal approach, cohort, Japan
, Department of Economic Geography, Kobe University Rokkaodai-cho 2-1, Nada-ku, Kobe, 657-8501 Japan
Applying cohort analysis to residential segregation by age group in Berlin (West)
Geographia Polonica (1993) vol. 61, pp. 133-142 | Full text
Abstract
The purpose of this study was to apply cohort analysis to residentialsegregation patterns by age group in Berlin (West). The following results wereyielded: (1) Most of the segregation patterns of 14 five-year age groups show aconcentric tendency; the age groups of 0-19 and 35 and over tend to be distributedmore densely in the peripheral wards (Outer Berlin), and the age groups of 20-34tend to be distributed more densely in the central wards (Inner Berlin); (2) In recentyears the age groups of 0-9 and 30-39 have shifted their distribution from OuterBerlin to Inner Berlin and the age groups of 50 and over have shifted from InnerBerlin to Outer Berlin. These shifts are attributed to the differences in residentialtendencies between cohorts; in particular, the difference between the cohorts before1945 and the cohorts after 1946 plays an important role.
Keywords: cohort analysis, residential segregation by age group, Berlin (West)
, Department of Economic Geography, Kobe University Rokkaodai-cho 2-1, Nada-ku, Kobe, 657-8501 Japan