15% bonus is understood to reduce 15% of walls upgrades, building, library... etc

[Bigbrother]

Im playing Brits and I think this is far better than other nations in economic. Born with cheaper upgrades without reseach any technology.
I think other nations need some buff.

 

[Imaera]

Which cheaper upgrades are you talking about?

 

[SiuYin]

15% more loot is acceptable, if they remove dps bonus from green jacket