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The More Kids, The Less Mom’s Divvy : Impact of Childbirth on Intrahousehold Resource Allocation


  • Tomoki Fujii


  • Ryuichiro Isikawa


We investigate how childbirth affects intrahousehold resource allocation for married Japanese couples. We develop reduced-form and structural-form specifications from a unified theoretical framework. Under a weak set of assumptions, we can focus on private goods to track the changes in intrahousehold resource allocation. Our estimation results show that the allocation of resources within household tend to move to the disadvantage of women after childbirth. One additional child is associated with at least 2.6 percentage points decrease in womens private expenditure share. Our estimation results reject the income-pooling hypothesis, and show that women are more risk averse than men.

Suggested Citation

  • Tomoki Fujii & Ryuichiro Isikawa, 2008. "The More Kids, The Less Mom’s Divvy : Impact of Childbirth on Intrahousehold Resource Allocation," Microeconomics Working Papers 22419, East Asian Bureau of Economic Research.
  • Handle: RePEc:eab:microe:22419

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    More about this item


    Childbirth; Bargaining; intrahousehold allocation; relative risk aversion; Japan;

    JEL classification:

    • D11 - Microeconomics - - Household Behavior - - - Consumer Economics: Theory
    • D12 - Microeconomics - - Household Behavior - - - Consumer Economics: Empirical Analysis
    • D13 - Microeconomics - - Household Behavior - - - Household Production and Intrahouse Allocation
    • J12 - Labor and Demographic Economics - - Demographic Economics - - - Marriage; Marital Dissolution; Family Structure


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