Vulmob, a multidimensional vulnerability indicator to assess the impact of policies limiting car use - application to the Grenoble LEZ

Vulmob, un indicateur de vulnérabilité multidimensionnel pour évaluer l’impact de politiques limitant l’usage de la voiture – application à la ZFE de Grenoble

Lola Blandin (), Hélène Bouscasse () and Sandrine Mathy ()
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Lola Blandin: GAEL - Laboratoire d'Economie Appliquée de Grenoble - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement - UGA - Université Grenoble Alpes - Grenoble INP - Institut polytechnique de Grenoble - Grenoble Institute of Technology - UGA - Université Grenoble Alpes
Hélène Bouscasse: CESAER - Centre d'économie et de sociologie rurales appliquées à l'agriculture et aux espaces ruraux - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement - Institut Agro Dijon - Institut Agro - Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement
Sandrine Mathy: GAEL - Laboratoire d'Economie Appliquée de Grenoble - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement - UGA - Université Grenoble Alpes - Grenoble INP - Institut polytechnique de Grenoble - Grenoble Institute of Technology - UGA - Université Grenoble Alpes

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Abstract: Social (in)justice is an argument often put forward to explain the successive setbacks to the rollout of low-emission zones (LEZs) in France. However, until now, this is not based on any rigorous assessment. We are developing a methodology for assessing the impact of a LEZ on mobility vulnerabilities based on a multidimensional vulnerability indicator (VulMob). We apply this methodology to the Grenoble region. Firstly, we show that the number of households without a solution is extremely low and that there are solutions to help these households specifically, without calling the whole policy into question. Moreover, modal shift appears to be a high-potential adaptation solution for all households, which could improve the environmental and health performance of the LEZs. It should be noted, however, that highly vulnerable households are more affected and more likely to remain without a solution other than buying a car that complies with the LEZ. This work can guide the operational implementation of the LEZs and the definition of support policies, taking into account vulnerability profiles and the specific characteristics of the area

Keywords: Vulnerabilities.; Low emission zones; Evaluation de politique publique Mobilité Report modal Vulnérabilités Zones à faibles émissions Low emission zones Mobility Modal shift Public policy evaluation Vulnerabilities. Classification JEL : Q52 Q58 R48; Public policy evaluation; Modal shift; Mobility; Zones à faibles émissions; Vulnérabilités; Report modal; Mobilité; Evaluation de politique publique (search for similar items in EconPapers)
Date: 2026-01-26
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