Welfare implications of a carbon tax in a long-distance passenger market

Marc Ivaldi, Frédéric Cherbonnier, Catherine Muller-Vibes and Karine Van der Straeten
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Marc Ivaldi: TSE-R - Toulouse School of Economics - UT Capitole - Université Toulouse Capitole - Comue de Toulouse - Communauté d'universités et établissements de Toulouse - EHESS - École des hautes études en sciences sociales - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement
Frédéric Cherbonnier: TSE-R - Toulouse School of Economics - UT Capitole - Université Toulouse Capitole - Comue de Toulouse - Communauté d'universités et établissements de Toulouse - EHESS - École des hautes études en sciences sociales - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement
Catherine Muller-Vibes: Unknown
Karine Van der Straeten: TSE-R - Toulouse School of Economics - UT Capitole - Université Toulouse Capitole - Comue de Toulouse - Communauté d'universités et établissements de Toulouse - EHESS - École des hautes études en sciences sociales - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement, IAST - Institute for Advanced Study in Toulouse, CNRS - Centre National de la Recherche Scientifique

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Abstract: This study estimates the impact of a carbon tax on welfare, considering modal shifts to less carbon-intensive transport, as well as its effects on environmental and fiscal externalities. We calibrate a modal competition model using logit demand functions for a specific long-distance connection in France and simulate the introduction of a Pigouvian tax. Our key findings are: First, a €190/tCO2 carbon tax is nearly welfare-neutral but significantly detrimental to consumer surplus; Second, rail price regulation has the side effect of reducing greenhouse gas emissions by subsidizing the cleanest transport mode; Third, the widespread adoption of electric vehicles enhances overall welfare without significantly harming consumer surplus.

Keywords: Modal competition; environmental externalities; carbon tax; high-speed rail (search for similar items in EconPapers)
Date: 2025-07-24
Note: View the original document on HAL open archive server: https://hal.science/hal-05183825v1
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