A captive labor pool (like working mothers who are unlikely to move their children) drives down wages. And as labor becomes more captive over time, the divide between rich and poor grows wider.
It's not just the family physician offering advice on whether to vaccinate or not. Parents are also turning to friends, family, books, pamphlets, and the Internet for guidance.
Why do some children benefit more from tutoring than others? And does one small education study have the ability to drastically change our behavior as parents?