Department of Sociology and Human Geography, University of Oslo, Blindern, Oslo, Norway.
Demography. 2010 Nov;47(4):923-34. doi: 10.1007/BF03213733.
Individuals' fertility decisions are shaped not only by their own characteristics and life course paths but also by social interaction with others. However, in practice, it is difficult to disentangle the role of social interaction from other factors, such as individual and family background variables. We measure social interaction through the cross-sibling influences on fertility. Continuous-time hazard models are estimated separately for women's first and second births. In addition to individual socioeconomic variables, demographic variables, and an unobserved factor specific to each sibling pair, siblings' birth events and their timing enter as time-varying covariates. We use data from longitudinal population-wide Norwegian administrative registers. The data cover more than 110,000 sibling pairs and include the siblings' fertility, education, income, and marital histories. Our results indicate that cross-sibling influences are relatively strong for the respondents' first births but weak for the second parity transition.
个体的生育决策不仅受到自身特征和生活轨迹的影响，还受到与他人的社会互动的影响。然而，在实践中，很难将社会互动的作用与个体和家庭背景变量等其他因素区分开来。我们通过兄弟姐妹对生育的交叉影响来衡量社会互动。连续时间风险模型分别针对女性的首次和第二次生育进行估计。除了个体社会经济变量、人口变量和每个兄弟姐妹对特有的未观测因素外，兄弟姐妹的出生事件及其时间也作为时变协变量进入模型。我们使用来自纵向全人口挪威行政登记处的数据。这些数据涵盖了超过 110000 对兄弟姐妹，包括兄弟姐妹的生育、教育、收入和婚姻史。我们的结果表明，兄弟姐妹对生育的交叉影响在受访者的首次生育中相对较强，但在第二次生育过渡中较弱。
