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Nonlinear effects of residential and workplace built environment on car dependence

Xiaoquan Wang, Chaoying Yin, Junyi Zhang, Chunfu Shao and Shengyou Wang

Journal of Transport Geography, 2021, vol. 96, issue C

Abstract: The relationships between the built environment (BE) and car dependence have been thoroughly evaluated, with a primary focus on the residential BE; however, the effects of the BE at workplaces have remained largely unexplored. Little is known about the potential nonlinear effects of the BE at both locations. Using data from a household travel survey in Changchun, China, we aimed to reveal the nonlinear effects of the residential and workplace BE on car dependence by building a gradient boosting decision trees model. The results show that the BE at both locations has strong explanatory power for car ownership and car purchasing intention. With relative contributions values of 17.90% and 18.13%, respectively, the BE at workplaces contributes less to explaining the two dependent variables than the BE at residences. All BE attributes show nonlinear effects on car ownership, and car purchasing intention and the effects differ between residential and workplace locations.

Keywords: Built environment; Car ownership; Nonlinear effects; Relative contribution; Gradient boosting decision trees (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1016/j.jtrangeo.2021.103207

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