//-->
Number of points served and economies of spatial scope in transport cost functions
Jara Díaz, Sergio R., (2001)
Evidence on market structure of the deregulated US airline industry
Liu, Zinan, (1999)
Cost economies and consolidation in the US airline industry
Keeler, James P., (1994)
Oversupply or undersupply in a public transport monopoly? : a rejoinder and generalisation
Karamychev, Vladimir A., (2010)
The case for subsidisation of urban public transport and the Mohring effect
Basso, Leonardo J., (2010)
Distinguishing multiproduct economies of scale from economies of density on a fixed-size transport network
Basso, Leonardo J., (2006)