Random Utility Theory
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In Chap. 1 it was stated that transport flows result from the aggregation of individual trips. Each trip is the result of a number of choices made by transport system users: by travelers in the case of personal transport or by operators (manufacturers, shippers, carriers) in goods transport. Some choices are made infrequently, such as where to reside and work and whether to own a vehicle. Other choices are made for each trip; these include whether to make the trip, at what time, to what destination or destinations, by what mode, and using what path. Each choice context, defined by the available alternatives, evaluation factors, and decision procedures, is known as a “choice dimension.” In most cases, travel choices are made among a finite number of discrete alternatives.
KeywordsLogit Model Generalize Extreme Value Choice Probability Systematic Utility Multinomial Logit Model
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