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Analyzing Impacts of Telecommunications on Travel Using Structural Equation Modeling  

Chu, Sang-Ho (한국교통연구원)
Publication Information
Journal of Korean Society of Transportation / v.24, no.3, 2006 , pp. 157-165 More about this Journal
Abstract
The Purpose of this study is to analyze telecommunications impacts on travel in a comprehensive system, considering demand, supply, costs, and land use. This study first Presents a conceptual model, considering causal relationships among travel, telecommunications, land use, economic activity, and socio-demographics. Then, based on the conceptual model, the aggregate causal relationships between telecommunications (local telephone calls, toll calls, and mobile phone subscribers) and travel (vehicle-miles traveled and number of transit Passengers) are explored in a comprehensive framework, using structural equation modeling of national time series data spanning 1950-2000 in the U.S. The model results suggest that as telecommunications demand increases, travel demand increases, and vice versa. Additionally. transportation infrastructure and land use significantly affect travel demand.
Keywords
통신과 통행;구조방정식;시계열 자료;개념적 모형;대체 및 보완관계;
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Times Cited By KSCI : 1  (Citation Analysis)
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