This paper presents the results of research recently conducted by the authors on ex-post analysis focused on the long-term economic impacts of transportation system investments in the United States (US). For a variety of reasons, the US has had a tradition of making transport investments to...

We investigate biofuel substitution in the U.S. transportation sector, for the period from 1990 to 2017, using the normalized quadratic model. We relax the homoskedasticity assumption and instead assume that the covariance matrix of the errors of the flexible demand system is time-varying. We...

The purpose of this paper is to suggest how the U.S. experience with deregulating its intercity transportation system can identify important considerations for all countries that wish to pursue privatization. Transportation deregulation in the United States gave private railroad, trucking, bus,...

Time is fast running out for formulating a viable global climate policy regime even as it seems obvious that the major initiative will have to come from the United States, which currently appears indisposed to take any meaningful action at all. This paper reviews the prospects for emissions...