1. An analysis of out-of-wedlock childbearing in the united states;Akerlof;Q. J. Econ.,1996
2. Children and their parents’ labor supply: evidence from exogenous variation in family size;Angrist;Am. Econ. Rev.,1998
3. Ansolabehere, S., 2006. Cooperative congressional election study–common content. Palo Alto, CA: Polimetrix. http://web.mit.edu/polisci/portl/cces/commoncontent.html.
4. Candidate positioning in us house elections;Ansolabehere;Am. J. Polit. Sci.,2001
5. A Treatise on the Family. Enlarged;Becker,1981