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Modal choice and optimal congestion

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Modal choice and optimal congestion. / David, Q.; Foucart, R.
In: Regional Science and Urban Economics, Vol. 48, 2014, p. 12-20.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

David, Q & Foucart, R 2014, 'Modal choice and optimal congestion', Regional Science and Urban Economics, vol. 48, pp. 12-20. https://doi.org/10.1016/j.regsciurbeco.2014.04.005

APA

David, Q., & Foucart, R. (2014). Modal choice and optimal congestion. Regional Science and Urban Economics, 48, 12-20. https://doi.org/10.1016/j.regsciurbeco.2014.04.005

Vancouver

David Q, Foucart R. Modal choice and optimal congestion. Regional Science and Urban Economics. 2014;48:12-20. doi: 10.1016/j.regsciurbeco.2014.04.005

Author

David, Q. ; Foucart, R. / Modal choice and optimal congestion. In: Regional Science and Urban Economics. 2014 ; Vol. 48. pp. 12-20.

Bibtex

@article{d2c41ad6ec224801be95b257bae7f8d8,
title = "Modal choice and optimal congestion",
abstract = "We study the choice of transportation modes within a city where commuters have heterogeneous preferences for a car. As in standard models of externalities, the market outcome never maximizes aggregate welfare. We show that in the presence of multiple equilibria problems of coordination can worsen this result. We discuss two policy tools: taxation and traffic separation (e.g. exclusive lanes for public transportation). Setting the optimal policy is a necessary but not sufficient condition to maximize aggregate welfare. Even with a social planner maximizing aggregate welfare, a city may find itself stuck in a situation where public transportation remains inefficient and the level of congestion high. ",
keywords = "Coordination, Cross-modal congestion, Modal choice, Network effect, commuting, public transport, tax system, traffic congestion, transportation planning, transportation policy, urban policy, urban transport",
author = "Q. David and R. Foucart",
year = "2014",
doi = "10.1016/j.regsciurbeco.2014.04.005",
language = "English",
volume = "48",
pages = "12--20",
journal = "Regional Science and Urban Economics",
issn = "0166-0462",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Modal choice and optimal congestion

AU - David, Q.

AU - Foucart, R.

PY - 2014

Y1 - 2014

N2 - We study the choice of transportation modes within a city where commuters have heterogeneous preferences for a car. As in standard models of externalities, the market outcome never maximizes aggregate welfare. We show that in the presence of multiple equilibria problems of coordination can worsen this result. We discuss two policy tools: taxation and traffic separation (e.g. exclusive lanes for public transportation). Setting the optimal policy is a necessary but not sufficient condition to maximize aggregate welfare. Even with a social planner maximizing aggregate welfare, a city may find itself stuck in a situation where public transportation remains inefficient and the level of congestion high.

AB - We study the choice of transportation modes within a city where commuters have heterogeneous preferences for a car. As in standard models of externalities, the market outcome never maximizes aggregate welfare. We show that in the presence of multiple equilibria problems of coordination can worsen this result. We discuss two policy tools: taxation and traffic separation (e.g. exclusive lanes for public transportation). Setting the optimal policy is a necessary but not sufficient condition to maximize aggregate welfare. Even with a social planner maximizing aggregate welfare, a city may find itself stuck in a situation where public transportation remains inefficient and the level of congestion high.

KW - Coordination

KW - Cross-modal congestion

KW - Modal choice

KW - Network effect

KW - commuting

KW - public transport

KW - tax system

KW - traffic congestion

KW - transportation planning

KW - transportation policy

KW - urban policy

KW - urban transport

U2 - 10.1016/j.regsciurbeco.2014.04.005

DO - 10.1016/j.regsciurbeco.2014.04.005

M3 - Journal article

VL - 48

SP - 12

EP - 20

JO - Regional Science and Urban Economics

JF - Regional Science and Urban Economics

SN - 0166-0462

ER -