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The Economic and Social Implication of Count Regression Models for Married Women's Completed Fertility in Korea  

Kim, Hyun-Sook (숭실대학교 경제학과)
Publication Information
Korea journal of population studies / v.30, no.3, 2007 , pp. 107-135 More about this Journal
Abstract
This paper uses a static Gamma count model, a traditional hurdle model and an endogenous switching Poisson model, respectively for determining married women's completed fertility rates in Korea. This paper analyzes the impact of household income, women's wage and education, and women's job market participation on the number of children of married women above age 40 and on the expected number of children of women aged below 40. The paper shows that a household income significantly increases the number of children for at least women aged above 40, however, this income effect is disappearing for younger generation. The empirical model suggests that women having a job tend to have fewer children for a group 39 years old and below and find that there is an endogeneity problem between child birth and labor force participation, too. The education level of married women gives a positive effect for giving a birth, itself, while it gives a negative impact on the number of children. Based on the empirical results, it concludes that Becker's Quantity-Quality theory works for Korea, too.
Keywords
Becker's Quantity-Quality model; Count model; Gamma distribution; completed fertility rates; expected number of children; hurdle model; endogeneity;
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