books.google.com - While parents spend significant time as well as money on children, most estimates of the "cost" of children ignore the value of this time. Folbre provides a startlingly high but entirely credible estimate of the value of parental time per child by asking what it would cost to purchase a comparable substitute...https://books.google.com/books/about/Valuing_Children.html?id=KiiTcb60D-cC&utm_source=gb-gplus-shareValuing Children
