缩小还是扩大市场工作与家务劳动中的性别差距？中国缩短周工时改革的影响

We investigate whether shorter working hours can narrow the gender gap in market and domestic work by examining the impact of China's workweek reduction policy. We find that the policy deepened the gender division of labor within dual-employee households, resulting in women further leaning toward familial roles. Specifically, women allocated more time to childcare and other household chores, while men withdrew from these domestic duties, worked longer hours beyond the designated schedule, and pursued higher education. This shift contributed to improved income and career advancement for men, whereas women did not experience similar improvements. The impact of this polarized gender division of labor was particularly pronounced in households with higher demands for domestic product consumption or with higher male-female wage ratios prior to the reform. Our analysis demonstrates that under the shortened working hours system, families' optimization behavior manifests as a deepened household specialization aimed at maximizing household consumption, suggesting that the reduction in working hours may exacerbate labor market gender inequality.