And it is reflected in numbers. The fertility rate has a non-monotonous relationship with income. It is the middle-income fertility that plummets. https://x.co

And it is reflected in numbers. The fertility rate has a non-monotonous relationship with income. It is the middle-income fertility that plummets. https://x.com/theHauer/status/1222514313723875332/photo/1 https://x.com/theHauer/status/1222514313723875332/photo/1 From "Population Pyramids Yield Accurate Estimates of Total Fertility Rates", https://link.springer.com/epdf/10.1007/s13524-019-00842-x?shared_access_token=brhk1_78v8zBOj1AmcV6QPe4RwlQNchNByi7wbcMAY7WFB9uzawr3vYOxFTqfJP10YbowzLedcLsecPZo_Amgaeh9iBBGcMEEkl8zLRZqJudqS8wuPxgCoX-h7sC751LZDMxJQx-EjVu3ZVTePSbNu4cbgyHL4W-7qw6bKic6YQ%3D https://link.springer.com/epdf/10.1007/s13524-019-00842-x?sh...