http://fee.org/freeman/the-economics-of-marriage-and-divorce/

http://www.nytimes.com/2015/02/08/fashion/weddings/falling-marriage-rates-reveal-economic-fault-lines.html?_r=0

http://www.huffingtonpost.com/2012/09/05/pregnancy-cost-having-kids-too-expensive-middle-class_n_1843796.html

http://econ.economicshelp.org/2008/01/economics-of-raising-children.html

http://www.forbes.com/sites/maurapennington/2011/12/20/the-economics-of-post-collegiate-dating/