Effects of numerical platforms and matching characteristics on individual choices and social welfare: the case of short-distance carpooling

Alix Le Goff (), Guillaume Monchambert and Martin Koning ()
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Alix Le Goff: LAET - Laboratoire Aménagement Économie Transports - UL2 - Université Lumière - Lyon 2 - ENTPE - École Nationale des Travaux Publics de l'État - CNRS - Centre National de la Recherche Scientifique
Martin Koning: AME-SPLOTT - Systèmes Productifs, Logistique, Organisation des Transports et Travail - Université Gustave Eiffel

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Abstract: This paper investigates the effects of carpooling organization and individuals' idiosyncrasies on the propensity to carpool. We test whether pre-planning the trip, use of a platform, and socio-demographic similarities or differences between driver and passenger affect choices towards carpooling over solo-driving and public transportation. A stated choice experiment collected answers of 3,600 inhabitants from in the Lyon's urban area, France. Our results indicate platforms raise the individual willingness to carpool, and that this platform's effect is larger for passengers than for drivers. Other things being equal, we identify a clear gender effect: women are more easily accepted as carpoolers than men, and they also are more sensible than men to their carpooler's gender. By contrast, the age of the proposed carpooler does not affect carpooling choices. We illustrate these results with a stylized social welfare analysis which highlights a significant contradiction between what it would take to make carpooling beneficial from a welfare perspective – drivers should pay passengers – and what seems to be individually acceptable.

Keywords: Daily carpooling; Numerical platforms; Matching effects; Individual choices; Stated choice experiment; Working Papers du LAET (search for similar items in EconPapers)
Date: 2023-12
Note: View the original document on HAL open archive server: https://shs.hal.science/halshs-04406375v1
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