Relocation of Firms Based on Networks of Dealings

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  • 取引ネットワークに依拠した広域的企業移転の解明
  • トリヒキ ネットワーク ニ イキョ シタ コウイキテキ キギョウ イテン ノ カイメイ

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Abstract

    Even while the Japanese population is decreasing, immigration to larger cities has not stopped. Therefore, smaller cities are confronting an even heavier decline. Up until today, efforts have been made to promote the industries of smaller cities, but the outcomes are inadequate to satisfy the need to relocate population. Based on spatial economics that originated with Krugman (1991), it is natural that people will concentrated in larger cities with decreasing transportation costs.<BR>    Based on the above, this paper demonstrates changes in the location of firms by introducing distance resistances and increasing returns as fundamental principles. The model constructed here supposes a balance of trade networks and an imbalance from the location of firms and expresses slow change in firm location. This means that the potential condition of the easing of location at any time slowly influences the real location. As a result, this shows clearly that a concentration of some kinds of industries to smaller cities is possible.<BR>    This firm location change comes from data held by TEIKOKU DATABANK, LTD., examining about 140 thousand firms. Potential conditions for location were rated by adopting 80 categories of industries and 231 metropolitan areas. Therefore, it was possible to consider the potential to locate to smaller cities.<BR>    As a result, a slow change in firm location is observed and the possibility of firms moving to smaller cities is brought to light. Additionally, it is shown that there are a variety of industries based on distribution of location potential. Firms of some industries make decisions to locate to the central parts of the nation, while others make the decision to move to less central or marginal areas. This fact suggest an idea of what industries are suitable to promote to local municipalities.

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