世界银行：发展计划对生育率的影响报告（英文版）

This paper examines how women’s fertility responds to increases in their earnings and household wealth, using six experiments conducted in Sub-Saharan Africa. Contrary to predictions that an increase in female earnings raises the opportunity cost of childbearing and that this will lower fertility, the findings show that an increase in the profits of female business-owners in Ethiopia and Togo results in them having more children. The findings also show a positive fertility response to increases