We develop a duopoly model to analyze the impact of air transport and high-speed rail (HSR) competition on the environment and social welfare. We show that the introduction of HSR may have a net negative effect on the environment, since it may result in additional demand, i.e., there is a...

We study airport competition when some types of commercial services, such as car parking or car rental, may be offered at the time of air ticket purchase through the Internet, in order to stimulate aviation demand. We find that airports set a lower aviation charge than they would have levied in...

We study airport competition when vertically differentiated products may be strategically offered at the time of ticket purchase through the Internet: a base product Ð the flight Ð and a composite one Ð the flight plus some premium commercials (PCs), as car parking, car rental or hotel...

We study airport competition when vertically differentiated products may be strategically offered at the time of ticket purchase through the Internet: a base product Ð the flight Ð and a composite one Ð the flight plus some premium commercials (PCs), as car parking, car rental or hotel...

This paper investigates contracts between airports and airlines, in the context of two competing facilities and three types of agreements. The downstream market consists in a route operated by one leader and n−1 followers competing àla Stackelberg in each facility. We develop a multistage...

We develop a test for vertical collusion between airports and airlines in the case of two different scenarios. In the first scenario there is one airport and one airline; this intends to depict the case of airports that do not compete with any other one. In the second, we consider two competing...