Income of Child-bearing Age, Children’s Human Capital and Economic Support —Based on the Perspective of Children’s Quantity-quality Trade-off. Modern Economic Science, [S. l.], v. 46, n. 2, p. 30–44, 2024. DOI: 10.20069/1z8edc15. Disponível em: https://xjtuniversity.asia/index.php/jjkx/article/view/10. Acesso em: 11 sep. 2025.