This paper compares the efficiency of a single lane toll, a congestion tax applied uniformly across freeway lanes, a gasoline tax, and a transit fare subsidy at reducing traffic congestion. The model incorporates a variety of conditions required to reach an efficient outcome. These include...

Commonly cited environmental instruments in the legal, regulatory, and fiscal domains are intended primarily to address market failures to ensure that environmental degradation and resource use is contained to appropriate levels. However, in many instances, environmental degradation is rooted...

This paper uses an analytical-simulation model to examine the optimal extent and welfare effects of pricing reforms for passenger transportation in Mexico City. The model incorporates travel by auto, microbus, public bus, and rail, plus externalities from local and global air pollution, traffic...