in most cases BGB operate as the 'lift' carrier for panalpina. here the market is rate driven as well. while rates are flat mk costs are rising . if BGB had schedule rights and sold space to forwarders then the 'fuel surcharge' factor can be bought in....
another thought x back in the 80's when noise was an issue CFM and MDC got together on the narrow body issue and quite sucessfully created the 8-70 series- why is no discussion on going for a re engine program for the 200f with wing mods if necess for greater effeiciency