A multiple discrete-continuous model for independent- and joint-discretionary-activity participation decisions |
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Authors: | Sivaramakrishnan Srinivasan Chandra R. Bhat |
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Affiliation: | (1) Department of Civil and Coastal Engineering, University of Florida, 365 Weil Hall, PO Box 116580, Gainesville, FL 32608, USA;(2) Department of Civil, Architectural & Environmental Engineering, The University of Texas at Austin, 1 University Station C1761, Austin, TX 78712-0278, USA |
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Abstract: | This paper presents a multiple discrete-continuous econometric structure to model the daily time-investment decisions of couples in solo- and joint-discretionary activities incorporating intra-personal and inter-personal inter-dependencies. The empirical model was estimated using data from the 2000 Bay Area Travel Survey. The results indicate evidence of the positive impact of vehicle availability on independent activity participation and the negative impacts of the presence of children and mandatory time investments on the joint discretionary-activity engagement of the spouses. In addition, we also find the mandatory- and maintenance-activity-participation characteristics of the spouse to influence the discretionary activity choices of individuals. Finally, the analysis also indicates a strong impact of common unobserved factors on the decisions of couples. From a policy analysis perspective, these results imply that demand-management actions directly impacting one adult could also result in changes to the activity patterns of his/her spouse and to changes in joint activity participation characteristics. Dr. Sivaramakrishnan Srinivasan is an Assistant Professor in the Department of Civil and Coastal Engineering at the University of Florida. His research interests include travel-behavior analysis, activity-based travel-demand modeling, and the application of advanced econometric methods for transportation problems. Dr. Chandra R. Bhat has contributed toward the development of advanced econometric techniques for travel behavior analysis, in recognition of which he received the 2004 Walter L. Huber Award and the 2005 James Laurie Prize from the American Society of Civil Engineers (ASCE). |
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Keywords: | Discretionary activities Intra-household interactions Multiple discrete-continuous models |
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