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Abstract

This study uses earnings amassed more decades 20–60 to examine whether or not richer otherwise poorer men and women have way more people. Earnings histories is calculated playing with yearly administrative check in data away from modern-day Sweden to own cohorts produced 1940–70. There clearly was a strong positive gradient ranging from collected throw away income (in order to a lower extent earnings) and you may fertility for males in all cohorts and you will a progressive transformation off a poor so you can a confident gradient for women. Specifically, built-up revenues try dramatically all the way down getting childless group than just individuals with children. For men, virility expands monotonically which have growing money, whereas for ladies a lot of the positive gradient is a result of reduced virility certainly one of female that have very low built-up incomes inside the afterwards cohorts. All of the positive earnings–virility gradient will be explained of the high revenues of males and you will girls with two to four pupils.

Addition

The connection ranging from money and you can virility try an ancient question inside demography. The brand new pioneers of personal research in the 19th 100 years, such as Francis Galton and you can Karl Pearson, was seeking the newest gradient between earnings and you will virility, and you can on twentieth century the subject is actually out-of carried on focus having social scientists. (more…)