A need-based model of multi-day, multi-person activity generation
In this paper, we develop a model of activity generation for a multi-day planning period that takes within-household interactions between individuals into account. The model is based on the theoretical framework we proposed in earlier work which assumes that utilities of activities are a dynamic function of needs of individuals at person and household levels. In the model, individuals use a utility-of-time threshold parameter to decide when to include an activity in their agenda. The threshold represents a personal perception of time pressure and is continuously adapted based on learning. In an exchange phase, the individuals (re-)allocate household tasks based on a negotiation protocol with the aim of improving the group result. The model takes into account day-varying time-budgets of individuals, influences of perception, selfishness-altruism, joint activity participation and competences of individuals to satisfy particular needs. We illustrate the model by means of simulations and suggest ways for future research.
Year of publication: |
2009
|
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Authors: | Arentze, Theo A. ; Timmermans, Harry J.P. |
Published in: |
Transportation Research Part B: Methodological. - Elsevier, ISSN 0191-2615. - Vol. 43.2009, 2, p. 251-265
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Publisher: |
Elsevier |
Keywords: | Travel demand Activity generation Time allocation Task-allocation Needs Dynamic micro-simulation |
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