I have not played in any game long enough to notice a significant difference. Is the demand fixed for the length of the game or is it growing?
It is indeed growing. Have a look at this thread - https://www.airwaysim.com/forum/index.php/topic,19592.0.html :)
There's a graph at the bottom that shows loosely what will happen - Sami tweaks things a bit here and there.
Cool. Thanks for the quick answer.