Fertility and the Plough
发现传统农业形式（犁耕农业 vs. 锄耕农业）影响了历史上的生育规范与偏好，且这些规范持续至今，影响当今世界各地的生育率。
This paper provides evidence that the form of agriculture traditionally practiced—intensive plough agriculture versus shifting hoe agriculture—affected historic norms and preferences about fertility, and that these norms persist, affecting observed fertility around the world today.