Temporal stability of travelers' activity choice and home-stay duration: Some empirical evidence |
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| Authors: | Fred Mannering Elaine Murakami Soon-Gwan Kim |
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| Affiliation: | (1) Department of Civil Engineering, University of Washington, Seattle, WA, USA;(2) Federal Highway Administration, Washington, DC;(3) Department of Civil Engineering, University of Washington, Seattle, WA, USA |
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| Abstract: | This paper explores the temporal stability of activity type-choice models and models of travelers' home-stay duration. To empirically evaluate this stability, a nested logit model of activity-type choice and a proportional hazards model of home-stay duration are estimated using data from two-day travel diaries collected in the fall of 1989 and again, from the same individuals, in the fall of 1990. The results show that the models are not temporally stable over the one year time period separating the two travel-diary samples. A number of possible reasons for this instability are discussed. |
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| Keywords: | activity models temporal stability |
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