| Summary: | 碩士 === 中原大學 === 國際貿易研究所 === 99 === Some kinds of social problems from imbalanced sex ratio at birth including：marriage market will be highly imbalanced in the future, it harms for social public security, it could marginalize status of women in society and increase immigrant brides; There are more boys than girls in Taiwan. In 2009, the sex ratio at birth is higher to be 109 and it is the tenth high in the world. According to it, this paper studies the cause of unbalancing sex ratio at birth and then resolves it in Taiwan.
We focus on connections between son preference and imbalanced sex ratio at birth in Taiwan. Previous studies discussed this topic are through the method of Socio-demographic in survey, analysis of historical comparison, statistical data, and analysis of chart. However, which have been somewhat deficient in empirical evidence with formal econometric models. The difference in this paper is we treat son preference as endogenous possibly by survey and use formal econometric model of Probit regression with endogenous covariates. Furthermore, some related studies analyze it in macroeconomics but we try to use individual data to study the effects on imbalanced sex ratio at birth by some results like son preference. Individual data can direct provide some policies for individual characteristics. This data are used from a national survey on knowledge of, attitudes toward, and practice of family planning and reproductive health among married women in Taiwan, selected the married women who have at least one child to be the data for analysis in 1992, 1998, and 2004. And this paper uses the index of sex preference of child to measure the degree of son preference. According to results in 1998 and combined data with 1992, 1998, and 2004, the higher the index of sex preference of child, the higher the son preference by women.
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