economics Paradigm Challenge

Great maternity leave can actually backfire and lower a mother's pay because it makes her more desperate to take any job she can find.

March 23, 2026

Original Paper

From Liberalisation to Penalisation:  Structural Origins of the Motherhood Penalty under China's Two-Child Policy

Teng Ge

SSRN · 6451784

The Takeaway

When maternity benefits are tied to having a job, mothers view employment as an 'option' for future paid leave rather than just a paycheck. Consequently, they rush back to work at lower-quality, lower-paying companies just to 'lock in' their eligibility for the next child, inadvertently creating a permanent wage penalty.

From the abstract

Following China’s 2016 Two-Child Policy, mothers’ employment income declined sharply and female labour force participation fell. This paper identifies a supplyside mechanism rooted in employment-contingent maternity benefits. We develop a dynamic search model with sequential fertility decisions in which employment at parity one acquires option value as a platform for accessing future paid maternity leave. This induces one-child mothers to lower reservation wages, generating an endogenous wage pe