The current study finds that societies which historically engaged in plough agriculture today have lower fertility. We argue, and provide ethnographic evidence, that the finding is explained by the fact that with plough agriculture, children, like women, are relatively less useful in the field....

Economic theories of discrimination are usually based on tastes. The huge body of empirical studies, however, considers the discriminatory outcomes that are the reduced-form results of interactions between tastes and opportunity sets. None examines tastes for discrimination directly, or...