Understanding Activity Scheduling and Rescheduling Behaviour: Theory and Numerical Illustration

Abstract

Inspired by Hagerstrand’s time geography, the activity-based modelling approach has become an active area of research since the mid 90s in transportation research (Ettema and Timmermans, 1997). As a consequence, it has regained interest in geography as well. The central concept underlying the activity-based approach is that travel is derived from the participation in activities instead of being pursued for its own sake, and therefore, the understanding, analysis and forecasting of travel behaviour should be based on the understanding of activities (Burnett and Hanson, 1982). Individuals try to meet their personal and family needs by participating in activities in everyday life, subject to a set of constraints. In the process of organising activities in time and space, travel is derived as a by-product to overcome the distance between activity locations. Any direct causation of socio-demographic characteristics and the physical environment to travel behaviour without explicitly considering the choice of activity participation may, therefore, be incorrect or at least theoretically inappropriate.

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