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ISPRS Int. J. Geo-Inf. 2017, 6(11), 352; doi:10.3390/ijgi6110352

GIS-Based Evaluation of Spatial Interactions by Geographic Disproportionality of Industrial Diversity

Lab of Rural Planning, Division of Environmental Science and Technology, Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan
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Received: 12 September 2017 / Revised: 31 October 2017 / Accepted: 6 November 2017 / Published: 8 November 2017
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Abstract

Diversity of regional industry is regarded as a key factor for regional development, as it has a positive relationship with economic stability, which attracts population. This paper focuses on how the spatial imbalance of industrial diversity contributes to the population change caused by inter-regional migration. This paper introduces a spatial interaction model for the Geographic Information System (GIS)-based simulation of the spatial interactions to evaluate the demographic attraction force. The proposed model adopts the notions of gravity, entropy, and virtual work. An industrial classification by profit level is introduced and its diversity is quantified with the entropy of information theory. The introduced model is applied to the cases of 207 regions in South Korea. Spatial interactions are simulated with an optimized model and their resultant forces, the demographic attraction forces, are compared with observed net migration for verification. The results show that the evaluated attraction forces from industrial diversity have a very significant, positive, and moderate relationship with net migration, while other conventional factors of industry, population, economy, and the job market do not. This paper concludes that the geographical quality of industrial diversity has positive and significant effects on population change by migration. View Full-Text
Keywords: gravity model; demographic attraction force; entropy; industrial diversity; spatial imbalance; classification by profit level gravity model; demographic attraction force; entropy; industrial diversity; spatial imbalance; classification by profit level
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Lee, J.; Hoshino, S. GIS-Based Evaluation of Spatial Interactions by Geographic Disproportionality of Industrial Diversity. ISPRS Int. J. Geo-Inf. 2017, 6, 352.

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