This post is about an economics paper I wrote up for a class with Aya and Tar, as opposed to some new anti-contraceptive device. We constructed a theoretical model of the declining fertility rates that we see in the world and tried to tie it to wages, child labor practices, and other stuff. It's not really complete or thorough, but it was two nights of creative math tinkering -- ok, mostly one night, tonight, 4 hrs. Enjoy it or run from its ugly equations, here it is: