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Inter‐regional networks and productive efficiency in Japan

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  • Akihiro Otsuka

Abstract

Traditional agglomeration theories cannot explain Japan's sustained reduction of regional disparities. This study employs stochastic frontier analysis to investigate the role of inter‐regional networks in improving productive efficiency using the concept of “borrowed size.” Improved inter‐regional networks are a driving force for strengthening local economies and converging regional disparities. Borrowed size from large city agglomeration was highly effective in local areas. The development of transportation networks has enabled local areas to catch up to large metropolitan areas. The results suggest that the development of high‐speed transportation networks can help to reduce regional disparities in the Japanese economy. Las teorías tradicionales sobre la aglomeración no pueden explicar la reducción continua de las disparidades regionales en el Japón. Este estudio emplea un análisis de frontera estocástica para investigar el papel de las redes interregionales en la mejora de la eficiencia productiva por medio del concepto de “tamaño prestado”. La mejora de las redes interregionales es una fuerza motriz para el fortalecimiento de las economías locales y la convergencia de las disparidades regionales. El tamaño prestado de la aglomeración de las grandes ciudades fue muy efectivo en las áreas locales. El desarrollo de las redes de transporte ha permitido a las zonas locales ponerse a la par de las grandes áreas metropolitanas. Los resultados sugieren que el desarrollo de las redes de transporte de alta velocidad puede ayudar a reducir las disparidades regionales en la economía japonesa. 伝統的な集積の理論では、日本の持続的な格差の縮小を説明するのは不可能である。本稿では、確率フロンティア分析により、生産効率の改善における地域間ネットワークの役割を「借用したサイズ」の概念を用いて検討した。地域間ネットワークの改善は、地域経済を強化し、地域格差を収束させる原動力である。大都市の集積から借用したサイズは地方では高い効果を示した。交通ネットワークの開発は、地方の地域が大都市地域に追いつくことを可能にしている。結果から、高速交通ネットワークの開発が日本経済における地域間格差の縮小の一助となることが示唆される。

Suggested Citation

  • Akihiro Otsuka, 2020. "Inter‐regional networks and productive efficiency in Japan," Papers in Regional Science, Wiley Blackwell, vol. 99(1), pages 115-133, February.
  • Handle: RePEc:bla:presci:v:99:y:2020:i:1:p:115-133
    DOI: 10.1111/pirs.12474
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