taxation in reducing congestion by considering a natural experiment created by the progressive January 1, 2012 Chicago parking …Growing vehicle use and congestion externalities have led many to consider alternative congestion pricing mechanisms … percent aggregate reduction in vehicle trips. It is concluded that parking taxes can help mitigate congestion externalities …

The goal of this paper is the estimation of the effect of accidents on traffic congestion and vice versa. In order to … causal effect of accidents on traffic congestion and vice versa. The estimation draws on panel data methods that have … congestion and road accidents would yield multiplicative benefits for policies that aim at reducing either of them. In addition …