文章基本信息

标题：How Credible Are Shrinking Wage Elasticities of Married Women Labour Supply?
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作者：Qin, Duo ; van Huellen, Sophie ; Wang, Qing-Chao 等
期刊名称：Econometrics
印刷版ISSN：2225-1146
出版年度：2015
卷号：4
期号：1
出版社：MDPI, Open Access Journal
摘要：This paper delves into the well-known phenomenon of shrinking wage elasticities for married women in the US over recent decades. The results of a novel model experimental approach via sample data ordering unveil considerable heterogeneity across different wage groups. Yet, surprisingly constant wage elasticity estimates are maintained within certain wage groups over time. In addition to those constant wage elasticity estimates, we find that the composition of working women into different wage groups has changed considerably, resulting in shrinking wage elasticity estimates at the aggregate level. These findings would be impossible to obtain had we not dismantled and discarded the instrumental variable estimation route.
关键词：labour supply wage elasticity; instrumental variable; selection bias; parameter stability