One of the alternatives to traditional command-and-control regulation is the use of marketable permits and obligations. Based on the growing record of actual performance of these instruments, this paper provides practical insights into difficult design, implementation, and management issues. It...

The value of travel time plays an important role in cost benefit analysis of infrastructureprojects. However, the issue of uncertainty on travel times and the implications this has forestimations of travel time values has received much less attention in the literature. In thispaper we compare...