We investigate how the intensity of competition among airports affects their technical efficiency by computing airports’ markets on the basis of a potential demand approach. We find that the intensity of competition has a negative impact on airports’ efficiency in Italy during the...

We analyze the air transportation vertical channel and show the existence of an asymmetric distribution of profit margins between airlines and the firms operating in upstream stages. Higher margins are observed for leasing companies, engine manufacturers and GDS, while airlines exhibit a very...

The main source of convertible energy—fossil-fuel combustion—generates desirable means for production of national output (GDP) along with an undesirable by-product—carbon dioxide (CO2) emissions. This paper investigates the effect of this supply process for environmental quality. By...

This paper is about relationship between official development assistance, foreign direct investment and domestic investment in landlocked and less studied young economies of Central Asia. It is important for donor countries to understand whether their investments induce foreign direct investment...