Collateralized Marriage

Working Paper: NBER ID: w27210

Authors: Jeanne LaFortune; Corinne Low

Abstract: We study the role of wealth in the marriage contract by developing a model of the household where investments in public goods can be made at the cost of future earnings. If couples cannot commit ex ante to a sufficiently equal post-divorce allocation, specialization and public good creation will be sub-optimal. However, accumulating joint assets, which the marriage contract specifies are to be divided in the case of divorce, can reduce this problem by offering insurance to the lower earning partner. Our model demonstrates that access to this “collateralized” version of the contract will lead to more household specialization, more public goods, and a higher value of marriage. To test the model’s predictions, we use homeownership as a proxy for access to joint savings technology, since homes are particularly likely to be divided in a way that favors the lower earning partner. We use idiosyncratic variation in housing prices at the time of marriage and an instrumental variables strategy to show that quasi-exogenous variation in homeownership access leads to greater specialization. We then show that as policies made marriage and non-marital fertility more similar in other ways, wealth has become a more important determinant of who marries. Our model and empirical results suggest wealthy individuals can access a more advantageous marriage contract, which has important policy implications.

Keywords: marriage; wealth; public goods; household specialization

JEL Codes: D13; D14; D31; J12; J22; J24


Causal Claims Network Graph

Edges that are evidenced by causal inference methods are in orange, and the rest are in light blue.


Causal Claims

CauseEffect
lower housing prices at the time of marriage (J12)increased homeownership (R21)
increased homeownership (R21)higher specialization within households (D13)
lower housing prices at the time of marriage (J12)higher specialization within households (D13)
access to a collateralized marriage contract (G51)increased household specialization (D13)
increased household specialization (D13)greater public goods provision (H49)
lower housing prices at the time of marriage (J12)more favorable asset division upon divorce (D14)
wealth (D14)more advantageous marriage contract (K12)
wealth (D14)enhanced value of marriage (J12)
policies making marriage and non-marital fertility more similar (J12)wealth becomes a more significant determinant of marriage rates (D31)
lower housing prices (R31)greater household specialization (D13)

Back to index