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Diseño de preferencias declaradas para analizar la demanda de viajes

Listed author(s):


    (Departamento de Análisis Económico Aplicado. Universidad de Las Palmas de Gran Canaria.)



    (Departamento de Ingeniería de Transporte. Pontificia Universidad Católica de Chile.)



    (Departamento de Análisis Económico Aplicado. Universidad de Las Palmas de Gran Canaria.)

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    En este trabajo se analizan los aspectos más relevantes del diseño de Preferencias Declaradas (PD) realizado para el estudio de la demanda de viajes en los dos principales corredores de la isla de Gran Canaria. Los datos de PD se basan en el estudio de las preferencias individuales ante determinadas situaciones hipotéticas diseñadas por el investigador y son especialmente útiles cuando se desea analizar la demanda de nuevas alternativas, medir el efecto de variables latentes o examinar las potenciales interacciones entre variables explicativas. En concreto, se describe en detalle el proceso de elaboración del experimento de PD y se analiza, además, la existencia de individuos cautivos, lexicográficos e inconsistentes; y cómo afectan éstos a los resultados de las estimaciones. We analyze the most relevant aspects of the design of a Stated Preference (SP) experiment for the two main interurban corridors in Gran Canaria. SP data is based on the stated behaviour of individuals under hypothetical scenarios and is useful for analysing the problem of estimating demand for new alternatives, to measure the effect of latent variables or to examine the potential interactions among explanatory variables. The paper describes the steps followed in the construction of the SP experiment. A detailed analysis of the sample allowed us to detect captive, lexicographic and inconsistent individuals; this in turn allowed us to examine how the removal of these observations affected the modelling results.

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    Article provided by Estudios de Economía Aplicada in its journal Estudios de Economía Aplicada.

    Volume (Year): 22 (2004)
    Issue (Month): (Diciembre)
    Pages: 1-33

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    Handle: RePEc:lrk:eeaart:22_3_16
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    Beatriz Rodríguez Prado. Facultad de CC.EE. y EE. Avda. Valle del Esgueva. Valladolid 47011 SPAIN

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    1. Louviere,Jordan J. & Hensher,David A. & Swait,Joffre D., 2000. "Stated Choice Methods," Cambridge Books, Cambridge University Press, number 9780521788304.
    2. Wittink, Dick R & Krishnamurthi, Lakshman & Nutter, Julia B, 1982. " Comparing Derived Importance Weights Across Attributes," Journal of Consumer Research, Oxford University Press, vol. 8(4), pages 471-474, March.
    3. Saelensminde, Kjartan, 2006. "Causes and consequences of lexicographic choices in stated choice studies," Ecological Economics, Elsevier, vol. 59(3), pages 331-340, September.
    4. de Dios Ortuzar, Juan & Iacobelli, Andres, 1998. "Mixed modelling of interurban trips by coach and train," Transportation Research Part A: Policy and Practice, Elsevier, vol. 32(5), pages 345-357, September.
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