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Intergenerational Transfers and the Fertility–Income Relationship

Publicado en

  • Economic Journal

Resumen

  • Extensive evidence from cross-sectional data reveals a robust negative relationship betweenfamily income and fertility. This paper argues that constraints to intergenerational transfersare crucial for understanding this relationship. If parents could legally impose debt obligationson their children as a way to recover the costs incurred in raising them, then fertility wouldbe independent of parental income. In this case, if the present value of a childÂ’s future incomeexceeds the cost of raising the child, as the evidence suggests is the case, parents would haveincentives to raise as many children as possible in order to maximize rents. A relationshipbetween fertility and income arises when parents are unable to leave debts behind either becauseof legal, enforcement, or moral constraints. We also derive the conditions under which thefertility-income relationship is negative. Notably, an intergenerational elasticity of substitutionlarger than one is required. In this case, parental consumption is a good substitute for childrenÂ’sconsumption making it optimal for income rich parents to have fewer children.Extensive evidence from cross-sectional data reveals a robust negative relationship between family income and fertility. This paper argues that constraints to intergenerational transfers are crucial for understanding this relationship. If parents could legally impose debt obligations on their children as a way to recover the costs incurred in raising them, then fertility would be independent of parental income. In this case, if the present value of a childÂ’s future income exceeds the cost of raising the child, as the evidence suggests is the case, parents would have incentives to raise as many children as possible in order to maximize rents. A relationship between fertility and income arises when parents are unable to leave debts behind either because of legal, enforcement, or moral constraints. We also derive the conditions under which the fertility-income relation

fecha de publicación

  • 2016

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