Founded in 1920, the NBER is a private, non-profit, non-partisan organization dedicated to conducting economic research and to disseminating research findings among academics, public policy makers, and business professionals.
Yeah. Google for “did fertility decrease” and you get 99% “the real reason birth rates are declining worldwide”. Dude, that’s a different unit. A Liter is also not a Kilogramm.
And no, human fertility did not meaningfully decrease. Some populations have a slight dent explained by chemicals, diet (fast food) and living conditions (stress).
Yeah. Google for “did fertility decrease” and you get 99% “the real reason birth rates are declining worldwide”. Dude, that’s a different unit. A Liter is also not a Kilogramm.
And no, human fertility did not meaningfully decrease. Some populations have a slight dent explained by chemicals, diet (fast food) and living conditions (stress).