| Transportation Engineering |
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| Detangling the impacts of age, residential locations and household lifecycle in car usage and ownership in the Osaka metropolitan area, Japan |
| Yi-lin Sun, Yusak O. Susilo, E. Owen D. Waygood, Dian-hai Wang |
| Department of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China; Department of Transport Science, KTH Royal Institute of Technology, Teknikringen 10, Stockholm 100 44, Sweden; école Supérieure D’Aménagement du Territoire et de Development Regional, University Laval, Quebec GiV 0A6, Canada |
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Abstract Using large cross-sectional datasets that were collected in the Osaka metropolitan area (OMA), Japan, this study systematically analyzes the structural changes in car ownership and usage in the OMA from 1970 to 2000. A simultaneous equations model system is developed for individuals that considers age, household lifecycle stage, built environment of the household location, car ownership levels, proportion of car trips on a given day, and total car travel duration. The estimation results show that private car ownership and car usage for the residents in OMA have expanded over time. Each residential area, each lifecycle stage, and each age group has their own unique characteristics of car ownership and car usage. The results further indicate that this expansion is largely due to changes in their structural relationships, while the changes in demographic factors play a relatively small and contradictory role.
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Received: 18 October 2013
Published: 08 July 2014
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