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Fertility in the absence of self-control

Bertrand Wigniolle 1, 2

(03/2008)

This paper studies the quantity-quality trade-off model of fertility, under the assumption of hyperbolic discounting. It shows that the lack of self-control may play a different role in a developed economy and in a developing one. In the first case characterized by a positive investment in quality, the lack of self control tends to reduce fertility. In the second case, it is possible that the lack of self-control leads both to no investment in quality and to a higher fertility rate. It is also proved that if parents cannot commit on their investment in quality, a small change of parameters may lead to a jump in fertility.

1 :	Centre d'économie de la Sorbonne (CES)
	CNRS : UMR8174 – Université Paris I - Panthéon-Sorbonne
2 :	Ecole d'Économie de Paris - Paris School of Economics (EEP-PSE)
	Ecole d'Économie de Paris

Discipline

:

Sciences de l'Homme et Société/Economie et finances

Mots-Clés : Endogenous fertility – quasi-hyperbolic preferences

halshs-00344463, version 1

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Contributeur : Lucie Label <>

Soumis le : Vendredi 5 Décembre 2008, 15:44:51

Dernière modification le : Vendredi 5 Décembre 2008, 16:54:15