Advanced continuous-discrete model for joint time-use expenditure and mode choice estimation

This paper presents the joint time use, expenditure and mode choice model, based on the theoretical Framework of Jara-Diazand Gueva (2003), for the first time estimated in Panel Setting while using Survey edexpenditure data. This extended estimation takes into account multiple trips per individual, as well as mode availability. The model was es-timated using the novel dataset gathered in Austria in 2015. It includes individual-specific Information on time-use, expenditures and mode choice. As a result, we calculate the value of leisure (VoL), travel time savings (VTTS) and time as signed to travel (VTAT), that are rel-evant inputs to appraisals of transport policies. We also show that, at least fort he Austrian working population, the omission of expenditures in the model might result in a significant overestimation of the value of leisure (16.83%); the VoL (9.29€/h) was estimated to be considerably lower than the wage rate (12.14€/h) and the VTTS varies strongly between the modes (9.98€/h for car, 3.91€/h for public transport, 9.25€/h for bike and 17.53€/h for walk). The joint estimation framework produced positive estimates of VTAT (5.38€/h) only for public transport, reflecting the favorable public transport conditions in Austria.

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