Journal
TRAVEL BEHAVIOUR AND SOCIETY
Volume 22, Issue -, Pages 32-47Publisher
ELSEVIER
DOI: 10.1016/j.tbs.2020.08.002
Keywords
Longitudinal analysis; Life-cycle events and long-term life-stage transitions; Vehicle ownership state; Vehicle type choice; Random parameter accelerated hazard-based model; Random parameter logit model
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Funding
- Natural Sciences and Engineering Research Council (NSERC) of Canada
- Nova Scotia Department of Energy
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This study utilizes a biographical approach and random parameter modeling to analyze factors influencing households' vehicle ownership states and vehicle type choices, highlighting the importance of life-cycle events and life-stage transitions in household decisions. The results of the study offer valuable insights for policymakers in developing longer-term interventions to support sustainable transportation systems.
This study presents a biographical approach to modeling households' vehicle ownership states and vehicle type choice, using data from a retrospective survey. Over a lifetime, households purchase their first vehicle by terminating no-car ownership state, and subsequently re-evaluate their decision of changing fleet size by multiple vehicle transactions that cause termination of transient vehicle ownership states. This study evaluates determinants of the termination probability of households' no-car ownership state and transient vehicle ownership states by exclusively examining the effects of life-cycle events and long-term life-stage transitions using a random parameter accelerated hazard-based modeling framework. It also investigates vehicle type choice of first-time and transient vehicle owners using a random parameter logit modeling technique. Vehicle attributes, life-cycle events and life-stage transitions are found to be strong predictors of both type households' vehicle choices. Results of this study will assist policy makers to develop longer-term policy interventions required to support sustainable transportation systems.
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