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Compact or Spread-Out Cities : Urban Planning, Taxation, and the Vulnerability to Transportation Shocks

F. Gusdorf ; S. Hallegatte — Energy Policy, 35 (2007) 4826-4838, doi:10.1016/j.enpol.2007.04.017

mardi 24 avril 2007, par Stéphane Hallegatte

This paper shows that cities made more compact by transportation taxation are more robust than spread-out cities to shocks in transportation costs. Such a shock, indeed, entails negative transition effects that are caused by housing infrastructure inertia and are magnified in low-density cities. Distortions due to a transportation
tax, however, have in absence of shock detrimental consequences that needs to be accounted for. The range of beneficial tax levels can, therefore, be identified as a
function of the possible magnitude of future shocks in transportation costs. These taxation levels, which can reach significant values, reduce city vulnerability and prevent lock-ins in under-optimal situations.

Key words : Urban transportation ; Housing ; Inertia ; vulnerability ; Transportation taxation.

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