Exploring the role of social capital influence variables on travel behaviour

Author: Di Ciommo, F., Comendador, J., López-Lambas, M.E., Cherchi, E., Ortúzar, J. de D. (2014)

Journal: Transportation Research 68A, 46-55

Keywords: Social influence, Social capital, Travel behaviour, Panel data, Mode choice

This paper explores the potential role of individual trip characteristics and social capital network variables in the choice of transport mode. A sample of around 100 individuals living or working in one suburb of Madrid (i.e. Las Rosas district of Madrid) participated in a smartphone short panel survey, entering travel data for an entire working week. A Mixed Logit model was estimated with this data to analyze shifts to metro as a consequence of the opening of two new stations in the area. Apart from classical explanatory variables, such as travel time and cost, gender, license and car ownership, the model incorporated two “social capital network” variables: participation in voluntary activities and receiving help for various tasks (i.e. child care, housekeeping, etc.). Both variables improved the capacity of the model to explain transport mode shifts. Further, our results confirm that the shift towards metro was higher in the case of people “helped” and lower for those participating in some voluntary activities.

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