Using consistent agent-based techniques, this research explores the welfare consequences of product differentiation on congested networks. The economic analysis focuses on the source, evolution, measurement, and impact of product differentiation with heterogeneous users on a mixed ownership...

This paper examines the question of why some states impose tolls while others rely more heavily on fuel and other taxes. A model to predict the share of street and highway revenue from tolls is estimated as a function of the share of non-resident workers, the policies of neighbouring states,...

This paper explores alternative financing mechanisms to pay for the fixed costs of roads, particularly in cases without rising marginal costs. Mechanisms considered include tolls, gasoline taxes, and developer payments. The problems with each are discussed. An example looking at problems of...

This paper examines the growth of a highway network based on the present and historical conditions of the network, traffic demand, demographic characteristics, project costs, and budget. The effects of expanding a link on its upstream and downstream neighbours, as well as on parallel links, are...