Volatility of car ownership, commuting mode and time in the UK |
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Authors: | Joyce Dargay Mark Hanly |
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Institution: | aInstitute for Transport Studies, University of Leeds, Leeds LS29JT, United Kingdom |
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Abstract: | This paper has two objectives: to examine the volatility of travel behaviour over time and consider the factors explaining this volatility; and to estimate the factors determining car ownership and commuting by car. The analysis is based on observations of individuals and households over a period of up to 11 years obtained from the British Household Panel Survey (BHPS). Changes in car ownership, commuting mode and commuting time over a period of years for the same individuals/households are examined to determine the extent to which these change from year-to-year. This volatility of individual behaviour is a measure of the ease of change or adaptation. If behaviour changes easily, policy measures are likely to have a stronger and more rapid effect than if there is more resistance to change. The changes are “explained” in terms of factors such as moving house, changing job and employment status. The factors determining car ownership and commuting by car are analysed using a dynamic panel-data models. |
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Keywords: | Commuting Car ownership Volatility Travel demand modelling |
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