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Is There a Male Breadwinner Norm? The Hazards of Inferring Preferences from Marriage Market Outcomes

Ariel J. Binder () and David Lam ()
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Ariel J. Binder: University of Michigan
David Lam: University of Michigan

No 11693, IZA Discussion Papers from Institute of Labor Economics (IZA)

Abstract: Spousal characteristics such as age, height, and earnings are often used in social science research to infer social preferences. For example, a "male taller" norm has been inferred from the fact that fewer wives are taller than their husbands than would occur with random matching. The large proportion of husbands out-earning their wives has similarly been cited as evidence for a "male breadwinner" norm. This paper argues that it is difficult and potentially misleading to infer social preferences about an attribute from observed marital sorting on that attribute. We show that positive assortative matching on an attribute is consistent with a wide variety of underlying preferences, including "female taller" or "female breadwinner" norms. Given prevailing gender gaps in height and earnings, positive sorting implies it will be rare for women to be taller than, or earn more than, their husbands – even if there is no underlying preference for shorter or lower-earning wives. In an empirical application, we show that simulations which sort couples positively on permanent earnings can largely replicate the observed distribution of spousal earnings differences in US Census data. Further, we show that an apparent sharp drop in the distribution function at the point where the wife begins to out-earn the husband results from a mass of couples earning identical incomes, a mass which we argue is not evidence of a norm for higher-earning husbands.

Keywords: economics of marriage; gender gap; economics of the family (search for similar items in EconPapers)
JEL-codes: D10 J12 J16 (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-soc
Date: 2018-07
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