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  • Title: The role of husband's and wife's economic activity status in the demand for children.
    Author: Wong Y.
    Journal: J Dev Econ; 1987 Apr; 25(2):329-52. PubMed ID: 12269084.
    Abstract:
    Data from Hong Kong were used to examine how the demand for children is affected by the economic returns to different types of market activities. The specific data used was a 1% sample of the 1976 "Hong Kong By-Census of Population." Only women under 50 who were currently married and living with their husbands were included. The households were restricted to land-based and non-farm families with economically active husbands. There were a total of 4128 families in the sample; in 3768 families the wife had experienced at least 1 birth. A simple 1-period model of household production and fertility demand is outlined. Emphasis was on 2 aspects of the demand for children in households who choose to work in the informal sector: children are more readily employed in a family business; and wife's work in a family business or in a wage employment at home is more compatible with childcare activities. Both effects imply that holding constant other characteristics, a higher desired stock of children will be demanded. As expected, an increase in wife's predicted log earnings in home work had a negative effect on the demand for children. The effect was almost always significant. An increase in wife's productivity in the family business, as proxied by her predicted log earnings in the family business, increased the demand for children significantly. This usually is interpreted to be a result of entering a market activity which is compatible with childcare. Another possible explanation is that the price of children is lowered because if children work in the family business then their productive contributions subsidize their parents' consumption. Yet, without direct measures or proxies for these effects, it is not possible to distinguish between them. An increase in husband's predicted log earnings in wage employment had a significant negative effect on demand for children. This can be interpreted in 2 ways: if an interior solution exists for husband's allocation of time, then a negative effect implies either that children are inferior (or are observed to be so) or husband's predicted log earnings in wage employment increases the probability of specializing in it. Thus, the role of children in the family business vanishes, and the desired number of children is reduced. Both husband's and wife's schooling reduced significantly the demand for children. In general, estimates of coefficients from families with at least 1 child were smaller in absolute magnitude and less significant statistically.
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