Tariff income from trade agreements - anyone know how it works?

[wrcromartie]

Hello - can anyone explain exactly how this works and where it shows up? Trying to do some min/max strategy for province builds and unsure of where/how this is calculating...

[blub19]

tariff are a part of the trade income. I think tariffs happen in the province in that the trade line enters your territory so most times the portcity next to your capital.

[razorts]

just build trade center in every city you have, effects rise rapidly, a must buildings if you play eastern faction as they give extra food, also consider slavery into your strategy as they can give you more than twice the amount of income you get from trade and taxes combined!!!