This paper describes a parsimonious approach to the economic analysis of transportation investments. In a gravity model of trade, project benefits may be summarized by a money metric for the change in market access experienced by all cities due to the investment. This metric is equivalent to the...

This paper examines whether the results of cost-benefit analyses (CBA) for road and rail projects can be compared with each other. Road and rail projects address different transport needs and aim to solve different problems. This does not make comparisons between CBAs for each mode impossible,...