Some of this also depends on the characteristics of the location for certain "input" goods. 2 good B production buildings in order to supplyĪt 2 good A production buildings though, you might only need 6 or so good C production buildings.4 good C production buildings in order to supply.
For instance, if good A requires good B, and good B requires good C, you'll need: If the production chain has several steps, you'll need 2x the number of inputs at each level. It's actually more like 5 to 3 (give or take) in practice.
Generally you need around a 2 to 1 ratio whenever you're converting from one "input" good to an "output" good.