This paper explores the problematic of airport capacity expansions from the perspective of the airport financial management, using the operating costs as the variable of interest. The objective is to provide empirical evidence on the financial advantages of expanding capacity against the...

Benefits and costs associated to hubbing practices of airlines are still subject to much debate. In the previous literature, some standard spatial concentration indices have been proposed to measure it. However, we show that these indices are "ill-defined" because they do not take into account...