“…The second group studies individual and household characteristics, such as human capital, health, and family structure (Solinger, 1999;Young, 2013). The third group studies macro-socioeconomic factors, such as education expansion (Nie & Xing, 2019), social insurance coverage (He & Sato, 2011), falling labour share (Molero-Simarro, 2017), financial development (Huang & Zhang, 2019), urbanisation (Qiu & Zhao, 2019;Wang, Shao, & Li, 2019) and industrial structure (Yang, Nie, Liu, & Shen, 2018).…”