Duration of Maternity Leave in Germany: A Case Study of Nonparametric Hazard Models and Penalized Splines

Torben Kuhlenkasper, G. Kauermann
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引用次数: 24

Abstract

The paper investigates maternity leave behavior in West Germany for females being employed between 1995 and 2006 using data from the German Socio Economic Panel. The observational study focuses on the investigation of individual and family-related covariate effects on the duration of maternity leave following first or second childbirth, respectively. Dynamic duration time models are used in which covariate effects are allowed to vary smoothly with duration of being in maternity leave. The intention of the paper is to demonstrate with state of the art models how effects of covariables change over time and to analyse substantial differences between maternity leaves following first and second childbirth. Particularly the personal income of mothers and the educational attainment influence the decision when to return into employment. The leave period following second birth is influenced by the mothers' attachment to the labour market between their two maternity leave periods. As fitting routine penalized spline smoothing effects is employed using available software in R (http://www.r-project.org).
德国产假持续时间:非参数风险模型和惩罚样条的案例研究
本文利用德国社会经济委员会的数据,调查了1995年至2006年间西德就业女性休产假的行为。观察性研究的重点是调查个人和家庭相关的协变量效应,分别对第一胎或第二胎后产假的持续时间。使用动态持续时间模型,其中允许协变量效应随产假持续时间平滑变化。本文的目的是用最先进的模型来证明协变量的影响是如何随着时间的推移而变化的,并分析第一次和第二次分娩后产假之间的实质性差异。特别是母亲的个人收入和受教育程度会影响她们何时重返就业岗位的决定。二胎后的假期受母亲在两个产假期间对劳动力市场的依恋程度的影响。作为拟合例程,惩罚样条平滑效果使用可用的软件在R (http://www.r-project.org)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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