What methodological individualism means
It is interesting that I continue to see people make the assertion that if one accepts individual explanations as valid, then one is a methodological individualist. That is plain wrong: Methodological individualism, at least as it was presented by Mises, is a doctrine much stronger than that. It says that the only good explanations in the social sciences are explanations at the level of individuals. Explanations that rely on higher-level phenomena, such as national interests, class struggles, collective manias, collective action problems, and so on, all of those are at best shorthands for the true, individual-based explanation. Mises is very, very explicit on this in Human Action . The equivalent doctrine to methodological individualism in the social sciences is atomic reductionism in the physical sciences. The latter doctrine says that the higher-level sciences only exist because of human mental limitations: it's just too hard for us to calculate what each particle in a hurrica...