For me:
If possible, I would love to see an option where you can activate/deactivate to automatically update the fares and the salaries according to the intervall you first selected when there's a change in the economic growth.
For example: The price 4.70 (for the busses or whatever) and above is high (red marked), then I will use 4.60 (still white marked). (Intervall is 0.10 to the red mark which is 4.70)
Then theres a change in the economic growth. We assume it goes down.
So the price 4.20 and above is marked red. I would choose a price of 4.10 (still white). (Intervall is again 0.10 to the red mark but this time the red mark is 4.20)
And here's the point: Why should I do that manually if I always use the same Intervall?!
It's the same with the salaries. I would choose to have it just so high that I get a

. Again pointless clicks.
(It is getting on my nerves that I constantly have to look at the fares/salaries window just to click pointlessly the up and down arrows to look if maybe the prices/salaries have to be changed. And the window is to big to have it constantly open. -I use a resolution of 1920x1080; it's still disturbing-)
I sometimes only want to watch at my lines or at the landscape -and I can't do that with that damn (<-- sorry for the word) economic growth.
Please correct me if I got something wrong.