Karaev, Alan
[VerfasserIn];
Ponkratov, Vadim V.
[VerfasserIn];
Masterov, Andrey
[VerfasserIn];
Kireeva, E. F.
[VerfasserIn];
Volkova, Maria
[VerfasserIn]
Cross-country analysis of the comparative efficiency of government support for coal and lignite production