The Optimum Level of Road and Railroad Development focusing on Manufacturing Value Added | Zendy

이유진 | Zendy; Euijune Kim | Zendy

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The Optimum Level of Road and Railroad Development focusing on Manufacturing Value Added

Author(s) -

이유진,

Euijune Kim

Publication year - 2016

Publication title -

the korea spatial planning review

Language(s) - English

Resource type - Journals

ISSN - 1229-8638

DOI - 10.15793/kspr.2016.88..004

Subject(s) - value (mathematics) , transport engineering , engineering , manufacturing engineering , mathematics , statistics

The purpose of this study is to analyze the optimum level of road and railroad development focusing on manufacturing value added in South Korea. An accessibility level leading to a positive marginal value added is considered to be in optimal range in terms of road and railroad development. By estimating a production function of manufacturing industries with respect to road and railroad accessibility and evaluating the maximum and minimum value which lead to a positive marginal value added, optimal ranges of road and railroad accessibility indices are derived. In general, the increase in the accessibility using road and railroad networks positively influences on manufacturing value added. However, additional improvement of road accessibility adversely affect the manufacturing value added when the level of accessibility exceed 145.9% of the current state. In local level, 46 and 52 cities and counties are observed to have excessive level of road accessibility and insufficient level of railroad accessibility, respectively.

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