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Issue 01
Brief

This journal is one of the earliest journals on population science in China. It is issued worldwide and indexed by CSSCI, and it is listed as the national Chinese core periodicaland the core periodical on population science.
Editorial Board

Editor-in-Chief
Yu Xiao

Deputy Editor-in-Chief
Wang Xiaofeng, Wang Huabo

Editorial Board
Wang Guangzhou, Wang Jinying, Yi Hao, Tian Yipeng, Sun Changzhi, Zhu Yu, Zhang Shiwei, Qiu Hong, Lu Jiehua, Chen Yingzi, Li Shuzhuo, Fan Lida, Yang Chenggang, Yang

Research on the influence of marriage and birth on wages: from on the perspective of gender wage gap

WANG Zhaoping;WANG Wenli

Population Journal,2020,Vol 42,No. 01

With technology progress and the improvement of female human capital, men and women more similar in productivity, but is the gender wage gap narrowing in China? Whether the universal two-child policy has increased women’s employment difficulties? Using CGSS 2015 data, from the perspective of marriage and birth, this paper studies the influence of marriage and childbearing events on the wages of labor force and its mechanism, by the instrumental variable method, quantile regression and Oaxaca-Blinder decomposition method, discusses the gender pay gap problem under the perspective of marriage and birth, and puts forward the corresponding policy recommendations to promote gender equality. Main findings are as follows. First, through an empirical analysis on the marital status, fertility status and wage income of urban labor force, this paper found that after controlling personal characteristics, human capital, job characteristics and other factors, the gender wage gap still existed significantly, and the marriage and childbearing widened the gap. Marriage makes labor wages of men and women increased, but due to differences in raw wages and premium, the size of the gender pay gap is widening. Birth makes men wages growth and female wages shrink. It also increased the gender wage gap. Secondly, based on quantile regression results, the analysis of Oaxaca-Blinder decomposition of the average wage difference shows that, as the income increased, the gender wage gap was narrowing. However, the explanation of this gap by marriage and fertility was more and more powerful and relatively stable, especially among the high-income groups. The wage gap of the low-income group is larger, but marriage and fertility have relatively small explanation power for this gap. On the contrary, the gender wage gap of high-income groups is relatively small, but marriage and fertility make a great contribution to the gap. Therefore, it is urgent to reduce the gender wage gap caused by marriage and childbirth, reduce gender discrimination, and to ensure women’s career development.

The influence of premarital cohabitation on the age of the first marriage: based on the Heckman two-stage model

LIANG Tonggui

Population Journal,2020,Vol 42,No. 01

In modern society, the age of the first marriage continues to rise, and the phenomenon of premarital cohabitation appears more and more. Is there any relationship between premarital cohabitation and age of the first marriage? This paper adopts choice hypothesis and the experience hypothesis which depict the effects of premarital cohabitation on divorce and further discusses the relationship between the two hypothesis and the age of the first marriage. The choice hypothesis believes that the characteristics of the cohabitants themselves urge them to pursue emancipation of the mind and negatively affect the stability of marriage. Therefore, they do not want to establish a long-term contract with their cohabiting partners. It is speculated that these positive factors affecting cohabitation will have a negative impact on marriage, so that premarital cohabitation will delay the age of the first marriage. The experience hypothesis believes that the experience of living together will change the cohabitants’ understanding of marriage, making them no longer strongly committed to the pursuit of marriage. They will accept the temporary nature of premarital cohabitation. Many couples believe that cohabitation provides a substitute for marriage, and the desire to marry declines. Therefore, this will also delay the age of the first marriage. In addition to the two hypotheses, cohabitants want to collect more information from each other through cohabitation, but wanting to know more about each other’s ideas will also delay the first marriage. Based on the theory analysis, the study uses 2010 CFPS sampling survey data to test the influence of premarital cohabitation on the age of the first marriage after using the Heckman two-stage model to correct the bias caused by the self-selection of premarital cohabitation. The study found that premarital cohabitation delayed the age of the first marriage of women and men by 0.415 year old and 0.868 year old respectively. After controlling the choice of premarital cohabitation, the influence of premarital cohabitation on the age of the first marriage of women and men was still significant, and the age of the first marriage was delayed by 0.431 year old and 0.890 year old respectively. This study proves that premarital cohabitation will increase the age of the first marriage. It further clarifies the role of premarital cohabitation in the formation of family. The effect of premarital cohabitation on the age of the first marriage has undoubtedly had a negative impact on the growth of the number of births under the universal two-child policy.

The quantitative study of relationships between grandparenting and health outcome and implications for public policy

SONG Liangjun;YANG Ling;PENG Xizhe

Population Journal,2020,Vol 42,No. 01