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Impacts of policy instruments to reduce congestion and emissions from urban transportation : the case of Sao Paulo, Brazil, Volume 1
 
Author:Anas, Alex; Timilsina, Govinda R.; Country:Brazil;
Date Stored:2009/10/27Document Date:2009/10/01
Document Type:Policy Research Working PaperSubTopics:Transport Economics Policy & Planning; Transport and Environment; Climate Change Economics; Climate Change Mitigation and Green House Gases; Roads & Highways
Language:EnglishMajor Sector:Energy and mining
Rel. Proj ID:1W-International & National Climate Mitigation -- -- P084595;Region:Latin America & Caribbean
Report Number:WPS5099Sub Sectors:General energy sector
Collection Title:Policy Research working paper ; no. WPS 5099Paper is funded by the Knowledge for Change Program (KCP)TF No/Name:TF054654-KCP
Volume No:1  

Summary: This study examines impacts on net social benefits or economic welfare of alternative policy instruments for reducing traffic congestion and atmospheric emissions in São Paulo, Brazil. The study shows that expanding road networks, subsidizing public transit, and improving automobile fuel economy may not be as effective as suggested by economic theories because these policies could cause significant rebound effects. Although pricing instruments such as congestion tolls and fuel taxes would certainly reduce congestion and emissions, the optimal level of these instruments would steeply increase the monetary cost of travel per trip and are therefore politically difficult to implement. However, a noticeable finding is that even smaller tolls, which are more likely to be politically acceptable, have substantial benefits in terms of reducing congestion and emissions. Among the various policy instruments examined in the study, the most socially preferable policy option for São Paulo would be to introduce a mix of congestion toll and fuel taxes on automobiles and use the revenues to improve public transit systems.

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