On the consistency between commuting satisfaction and traveling utility: the case of the University of Luxembourg


François Sprumont*, Paola Astegiano** and Francesco Viti***

*MobiLab, University of Luxembourg, 6, rue R. Coudenhove-Kalergi, L-1359 Luxembourg.
T: +352 46 66 44 55 01
E: francois.sprumont@uni.lu

**L-Mob Leuven Mobility Research Center, KU Leuven, 300A, Celestijnenlaan, 3001 Heverlee, Belgium.
T: +32 16 32 27 80
E: paola.astegiano@kuleuven.be

***MobiLab, University of Luxembourg, 6, rue R. Coudenhove-Kalergi, L-1359 Luxembourg.
T: +352 46 66 44 53 52
E: francesco.viti@uni.lu

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According to random utility theory, there is no clear distinction between the utility inferred from observed choices (decision utility), the experienced outcome of decision makers’ (experienced utility) or their retrospective evaluation (remembered utility). While empirical experiments have shown that decision utility and remembered utility do not perfectly coincide, little is known regarding the magnitude of this discrepancy, especially in the transport field. Using a cross-sectional travel survey, the objective of this paper is to quantify the relationship between commuters’ stated choice satisfaction (a proxy for remembered utility) and the Logsum function of the utility of all available modes of transport (decision utility). This is of tremendous importance, as implemented transport policy measures, which aim to increase the overall decision makers’ utility, may have low impact on their satisfaction level and thus be ineffective. Results indicate that the utility Logsum is associated with respondents’ commuting satisfaction. However, context specificities have an important impact on this association.

Keywords: Commuting mode choice, commuting satisfaction, discrete choice modelling, Utility Logsum.