Greenie you talk about how long it will take to fill up 4.5% jail. From that statement I know that you do not know what you're talking about. Filling up jail is easy and only takes two or three attacks. I know because I have experience with filling jails up and you don't. You have no clue.
Greenie one still would get more bonus from 200 books in both vs. 300books in tools and 100 books in food.
The reason homes help econ is because it keeps jobs filled, building running at there best. If you over do it you are cutting into the jobs you need to run your provinces.