Latent Class Approach to Estimate the Willingness to Pay for Transit User Information


The aim of analysis is to understand how unreliable information influences user behaviour and how much it discourages public transport use. For this purpose, a Stated Preference Survey was carried out in order to know the preferences of public transport users relating to information needs and uncertainty on the information provided by Advanced Traveller Information System (ATIS). The perceived uncertainty is defined as information inaccuracy. In our study, we considered the difference between forecasted or scheduled waiting time at the bus stop and/or metro station provided by ATIS, and that experienced by user, to catch the bus and/or metro. A questionnaire was submitted to an appropriate sample of Palermo’s population. A Latent Class Logit model was calibrated, taking into account attributes of cost, information inaccuracy, travel time, waiting time, and cut-offs in order to reveal preference heterogeneity in the perceived information. The calibrated model showed various sources of preference heterogeneity in the perceived information of public transport users as highlighted by the analysis reported. Finally, the willingness to pay was estimated, confirming a great sensitivity to the perceived information, provided by ATIS.

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P. Zito and G. Salvo, "Latent Class Approach to Estimate the Willingness to Pay for Transit User Information," Journal of Transportation Technologies, Vol. 2 No. 3, 2012, pp. 193-203. doi: 10.4236/jtts.2012.23021.

Conflicts of Interest

The authors declare no conflicts of interest.


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