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45 Fam. L.Q. 219 (2011-2012)
Marriage, Parentage, and Child Support

handle is hein.journals/famlq45 and id is 231 raw text is: Marriage, Parentage, and Child Support
JUNE CARBONE* & NAOMI CAHN**
I. Introduction
Child support calculations have become a matter of routine.' The par-
enthood determinations, on which they rest, have not. Marriage once
served as a system designed to channel childrearing into two-parent fam-
ilies and keep it there. Within this system, the marital presumption dis-
couraged efforts to inquire too closely into the circumstances that might
rebut a husband's paternity and the stigma against nonmarital births and
divorce eliminated much of the need for such determinations. Today, the
messy facts of biology are only too plain to see. Forty-one percent of
American births are nonmarital2 and may give rise to fights over parent-
age and support. Americans lead the world in family instability, cohabit-
ing, splitting, marrying, and divorcing, and, as a consequence, involve a
host of unmarried parents, stepparents, and others in children's lives to a
greater degree than in most of the rest of the developed world.' And
almost every parent who chooses to do so can discover the truth of bio-
logical parenthood, whether or not a court chooses to admit the evidence.
Yet, no comprehensive system has arisen to replace marriage-or the
marital presumption. During the seventies and early eighties, the United
* Edward A. Smith/Missouri Chair of Law, the Constitution and Society at the University
of Missouri-Kansas City.
** John Theodore Fey Research Professor of Law, George Washington University Law
School. Our thanks to Tom Oldham for his support of this article, to Leslie Harris for her care-
ful reading ad comments, and to Jose Recio for research assistance.
1. See Katharine K. Baker, Homogenous Rules for Heterogeneous Families: The
Standardization of Family Law When There Is No Standard Family, Mar. 9, 2011, available at
http://papers.ssrn.com/sol3/papers.cfm?abstract-id=1782051 (courts increasingly rely on
mechanical formulas in determining support).
2. Centers for Disease Control and Prevention, Unmarried Childbearing (2011), http://
www.cdc.gov/nchs/fastats/unmarry.htm.
3. ANDREW CHERLIN, THE MARRIAGE-Go-RouND: THE STATE OF MARRIAGE AND THE FAMILY
IN AMERICA TODAY (2009).

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