Towards a conjoint-based, context-dependent model of task allocation in activity settings: Some numerical experiments |
| |
| Authors: | Aloys Borgers Frank Hofman Maarten Ponjé Harry Timmermans |
| |
| Institution: | (1) Urban Planning Group/EIRASS, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands (e-mail: eirass@bwk.tue.nl), NL;(2) Ministry of Transport, Public Works and Water Management, P.O. Box 1031, 3000 BA, Rotterdam, The Netherlands, NL |
| |
| Abstract: | None of the currently developed activity-based models of transport demand explicitly models task allocation among household
members. To fill this gap, the present paper suggests to complement activity-based models of activity scheduling with a context-dependent
model of task allocation. That is, it is assumed that the allocation of tasks within households is partly based on such contextual
variables as the amount of time a member has to spend on mandatory activities and car availability. In particular, the paper
advocates a conjoint-based approach, based on an assignment task as opposed to the traditional ranking, rating or choice response
formats. By definition, an assignment task involves a combinatorial explosion of choice alternatives, implying that additional
operational decisions to estimate the context-dependent model are required. This study presents the results of various numerical
experiments, conducted to better understand the impacts of those decisions on the degree of bias in the parameter estimates
of the choice model. The results of these simulations indicate that under particular assumptions, the development and estimation
of a conjoint-based, context-dependent model of task allocation within households is feasible.
Received: March 1999 / Accepted: June 2001 |
| |
| Keywords: | : Activity-based models task allocation conjoint analysis |
| 本文献已被 SpringerLink 等数据库收录！ |
|
