This paper presents a theoretical and empirical analysis of the relationship between frequency of scheduled transportation services and their substitutability with personal transportation, using distance as a proxy. We study the interaction between a monopoly fi rm providing a high-speed...

Network airlines have increasingly focused their operations on hub airports through the exploitation of connecting traffic. This has allowed them to take advantage of economies of traffic density, the existence of which is beyond dispute in the airline industry. Less attention has been devoted...

The efficiency-equity dilemma, in conjunction with political partisan interests, has received increasing attention in attempts to explain the territorial allocation of investment. However, centralization policies that seek to introduce or reinforce the hierarchization of the political system...