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考虑家庭生产的不平等推断

Inferring Inequality With Home Production
Econometrica · 2021 · Job Boerma、Loukas Karabarbounis

中文摘要

我们使用一个包含不可保险风险、不完全资产市场和家庭生产的模型,重新审视家庭劳动力市场结果离散程度的成因、福利后果及政策含义。在允许家庭在家庭劳动负效用和家庭生产效率两方面均存在异质性的情况下,我们发现家庭生产会放大以福利衡量的差异,这意味着生活水平的不平等程度比我们此前认为的更大。我们推断家庭之间存在显著的家庭生产效率差异,因为在家庭横截面上,家庭劳动时间与消费和工资并不共同变动。家庭生产效率的异质性对不平等至关重要,因为如果不同家庭在家庭劳动或生产方面的差异仅反映劳动负效用的异质性,家庭生产就不会放大不平等。

Abstract

We revisit the causes, welfare consequences, and policy implications of the dispersion in households' labor market outcomes using a model with uninsurable risk, incomplete asset markets, and home production. Allowing households to be heterogeneous in both their disutility of home work and their home production efficiency, we find that home production amplifies welfare‐based differences, meaning that inequality in standards of living is larger than we thought. We infer significant home production efficiency differences across households because hours working at home do not covary with consumption and wages in the cross section of households. Heterogeneity in home production efficiency is essential for inequality, as home production would not amplify inequality if differences at home only reflected heterogeneity in disutility of work.
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