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Reducing urban public transport costs by tendering lots : a panel data estimation
Croissant, Yves, (2013)
Costs and scale of bus services
Walters, Alan A., (1979)
Cost efficiency in Swedish public transport
Vigren, Andreas, (2016)
Number of points served and economies of spatial scope in transport cost functions
Jara Díaz, Sergio R., (2001)
Explaining changes and trends in the airline industry : economies of density, multiproduct scale, and spatial scope
Jara Díaz, Sergio R., (2013)
The role of pricing in the Santiago public transport system
Jara Díaz, Sergio R., (1996)