Abstract Price elasticities of demand for public transport are a key determinant in evaluating the impact of changes in fares on user flows, yet in many integrated fare transit systems, estimating these indicators is often hampered by two realities: the fare changes for different modes are implemented simultaneously and their magnitudes are highly correlated. This strong collinearity is particularly problematic in linear or log-linear models, commonly used for elasticity estimation, and in a case study of Santiago, Chile, robust results with such specifications proved elusive. This paper presents a method based on discrete choice models to estimate the elasticities in an integrated fare system that overcomes these econometric problems, generating results that are both robust and consistent with those reported in the literature. The proposed models are also easy to update and evaluate.

    Highlights We estimate elasticities for public transport in a system with integrated fares. We overcome the problems of collinearity and endogeneity caused by integrated fares. We obtained price-demand elasticity by mode and period, and cross-elasticities. Our elasticities can be periodically and easily updated. Predictive ability of elasticities can be easily evaluated each time fares are changed.


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    Titel :

    Aggregate estimation of the price elasticity of demand for public transport in integrated fare systems: The case of Transantiago


    Beteiligte:

    Erschienen in:

    Transport Policy ; 29 ; 178-185


    Erscheinungsdatum :

    2013-01-01


    Format / Umfang :

    8 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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