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http://dx.doi.org/10.7470/jkst.2012.30.4.033

Analysing Relationships between Transportation and Communications Industries Based on Input-Output Table  

Chang, Yu-Kyoung (Urban Planning, Hongik University Graduate School)
Choo, Sang-Ho (Urban Design & Planning, Hongik University)
Publication Information
Journal of Korean Society of Transportation / v.30, no.4, 2012 , pp. 33-42 More about this Journal
Abstract
Recent development and penetrating expansion in ICT(Information and Communication Technology) has brought considerable improvements in transportation services. However, there is a controversial debate whether transportation and communications behave as substitutes or as complements to one another. On this subject, recent studies considered those two industries as services, but transportation and communications are broadly put for intermediary goods into other industries. Hence, it is essential to examine this issue from understanding their relationships to each other with respect to manufacturing and services. In this study, input-output tables of benchmark years from 1980 to 2005 have been analysed to explore the relationships between transportation and communications using Spearman's correlation analysis. The results show that both industries had complementary roles over the period, but, to some extent, changed into substitution roles in some categories.
Keywords
Input-Output Tables; Transportation & Communications; Spearman Correlation; Substitution & Complementarity;
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Times Cited By KSCI : 3  (Citation Analysis)
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