Answers are grounded in this paper and cite their sources.
Eileen Trzcinski, William T. Alpert, Pregnancy and Parental Leave Benefits in the United States and Canada: Judicial Decisions and Legislation, The Journal of Human Resources, Vol. 29, No. 2, Special Issue: Women's Work, Wages, and Well-Being (Spring, 1994), pp. 535-554
No takes yet. Share an insight, caveat, or question.
Trzcinski et al. (1994) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: