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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Impact Analysis of Bridging on Remote Island Population
Author(s)
Etsuko Kubota1, Jumpei Shigematsu1 and Masayoshi Tanishita2
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DOI:10.17265/1934-7359/2021.02.003
Affiliation(s)
1. Graduate School of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan
2. Department of Urban Environmental Engineering, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan
ABSTRACT
We analyzed the determinants of building bridges after comparing
bridge islands and non-bridge islands. In addition, we examined the population change
before and after the bridge building and the factors influencing the change. As a result, a
remote island with high cost-effectiveness was selected and bridged. The early
bridge was built in remote islands with fragile social infrastructure, and the
outflow of population was suppressed owing to the improvement in standard of
living by securing the medical care and education available in the bridge
destination. However, around the year 2000, there are few remote islands where the
changes in populations are influenced after a bridge was built.
KEYWORDS
Remote islands, bridge building, population change.
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