A household-vehicle-transactions model that was developed as a competing-risks-duration model is presented. The model was developed assuming the following three types of competing risks: ( a) replacing one of the vehicles in the household fleet, ( b) disposing of one vehicle in the fleet, and ( c) acquiring one vehicle to add to the fleet. In addition to the attributes of the household, changes in these attributes are expected to have strong effects on vehicle transaction behavior. To account for their effects, dummy variables indicating the occurrence of a change in selected household attributes were defined as time-varying covariates and introduced into the model. In addition, vehicle transactions themselves change the needs and motivations for vehicle holding, thus affecting the timing and the type of the transaction that immediately follows. Dummy variables indicating the type of the preceding transaction also were introduced as time-varying covariates into the model. The results of the empirical analysis using a data set collected in a panel survey empirically support the theoretical considerations underlying the model development and indicate that the effects of changes in household attributes and that of a preceding transaction are well represented in the model.


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    Titel :

    Competing-Risks-Duration Model of Household Vehicle Transactions with Indicators of Changes in Explanatory Variables


    Weitere Titelangaben:

    Transportation Research Record


    Beteiligte:


    Erscheinungsdatum :

    1999-01-01




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Competing-Risks-Duration Model of Household Vehicle Transactions with Indicators of Changes in Explanatory Variables

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