Developing advanced econometric frameworks for modeling multidimensional choices : an application to integrated land-use activity based model framework

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Title: Developing advanced econometric frameworks for modeling multidimensional choices : an application to integrated land-use activity based model framework
Author: Eluru, Naveen
Abstract: The overall goal of the dissertation is to contribute to the growing literature on the activity -based framework by focusing on the modeling of choices that are influenced by land -use and travel environment attributes . An accurate characterization of activity -travel patterns requires explicit consideration of the land -use and travel environment (referred to as travel environment from here on ) . There are two important categories of travel environment influences : direct (or causal ) and indirect (or self -selection ) effects . The direct effect of travel environment refers to how travel environment attributes causally influence travel choices . This direct effect may be captured by including travel environment variables as exogenous variables in travel models . Of course , determining if a travel environment variable has a direct effect on an activity /travel choice of interest is anything but straightforward . This is because of a potential indirect effect of the influence of the travel environment , which is not related to a causal effect . That is , the very travel environment attributes experienced by a decision maker (individual or household ) is a function of a suite of a priori travel related choices made by the decision maker . The specific emphasis of the current dissertation is on moving away from considering travel environment choices as purely exogenous determinants of activity -travel models , and instead explicitly modeling travel environment decisions jointly along with activity -travel decisions in an integrated framework . Towards this end , the current dissertation formulates econometric models to analyze multidimensional choices . The multidimensional choice situations examined (and the corresponding model developed ) in the research effort include : (1 ) reason for residential relocation and associated duration of stay (joint multinomial logit model and a grouped logit model ) , (2 ) household residential location and daily vehicle miles travelled (Copula based joint binary logit and log -linear regression model ) , (3 ) household residential location , vehicle type and usage choices (copula based Generalized Extreme Value and log -linear regression model ) and (4 ) activity type , travel mode , time period of day , activity duration and activity location (joint multiple discrete continuous extreme value (MDCEV ) model and multinomial logit model (MNL ) with sampling of alternatives ) . The models developed in the current dissertation are estimated using actual field data from Zurich and San Francisco . A variety of policy exercises are conducted to illustrate the advantages of the econometric models developed . The results from these exercises clearly underline the importance of incorporating the direct and indirect effects of travel environment on these choice scenarios .
URI: http : / /hdl .handle .net /2152 /ETD -UT -2010 -12 -1549
Date: 2011-02-02

Citation

Developing advanced econometric frameworks for modeling multidimensional choices : an application to integrated land-use activity based model framework. Doctoral dissertation, University of Texas at Austin. Available electronically from http : / /hdl .handle .net /2152 /ETD -UT -2010 -12 -1549 .

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