A discrete-continuous modeling approach with applications to vehicle holding and use

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dc.contributor.advisorCirillo, Cinziaen_US
dc.contributor.authorTremblay, Jean-Michelen_US
dc.contributor.departmentCivil Engineeringen_US
dc.contributor.publisherDigital Repository at the University of Marylanden_US
dc.contributor.publisherUniversity of Maryland (College Park, Md.)en_US
dc.date.accessioned2013-02-07T06:34:28Z
dc.date.available2013-02-07T06:34:28Z
dc.date.issued2012en_US
dc.description.abstractTransportation and automobile use is a major concern today in the United- States. The use of automobile has impacts on congestion, urban dynamics, environ- ment and on the economy in general. Good indicators of transportation demand are the number of vehicles owned by a household and the total number of miles traveled. This thesis aims at building a model that can predict the total vehicle miles traveled and number of cars owned by households, simultaneously. The discrete- continuous model that we present correlates the error terms of a utility-based probit with the error term of an ordinary regression. The objective is to capture the relationship between preferred ownership alternatives and miles traveled. We successfully show that households with high utility for owning a lot of cars also drive more and that households with high utility for owning few cars drive less. The correlation is between utilities and miles traveled. It also correlates the two transportation demand indicators without assuming that one precedes the other and, thus, does not suffer from circular variable inclusions. The thesis ends by incorporating sampling weights into the model before pa- rameters are estimated. We find slight changes in parameters' values calculated with weights. The difference however, is more quantitative than qualitative since the general analysis we make with the weighted coefficients remains the same, only the magnitude of the effects changeen_US
dc.identifier.urihttp://hdl.handle.net/1903/13591
dc.subject.pqcontrolledCivil engineeringen_US
dc.subject.pqcontrolledStatisticsen_US
dc.subject.pqcontrolledComputer scienceen_US
dc.subject.pquncontrolleddiscrete choice modelingen_US
dc.subject.pquncontrolleddiscrete-continuousen_US
dc.subject.pquncontrolledsimulationen_US
dc.titleA discrete-continuous modeling approach with applications to vehicle holding and useen_US
dc.typeThesisen_US

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