GED Seminar Series
Accessibility, commuting and the car ownership decision
Thursday 22nd May, 4-5pm
Cotton Seminar Room 304
Victoria University of Wellington, Kelburn Campus
Abstract:
Rising fuel prices, costly transport infrastructure, congestion, external environmental impacts and impending peak oil difficulties highlight the importance of understanding the economic decisions behind commuting patterns. Where a person lives and works are important factors in an individual’s transport decision and are key determinants for car ownership. However these spatial factors are interlinked and an individual’s residential location is also determined by where they work and their transport choices among other factors. Households are also likely to compromise on their commuting, car ownership and residential choices according to the needs of multiple members of the household.
Based on the New Zealand household travel survey, this study asks the question of how residential and work locations, and by what means a person commutes affects the number of vehicles they own through a joint decision making process for individuals within a household. By calculating the accessibility to work over a geographic transport network of where a person lives as well as a large number of other residential alternatives, this study uses a discrete choice model to explore the extent to which these spatial factors influence car ownership of households. This study breaks new ground by developing first a joint decision model and second applying it to the three levels of that joint decision (car ownership, residential location and commuting strategy).
Speakers: Mairead de Roiste, Toby Daglish and Yigit Saglam
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