Ludwig von Mises’ last book is an examination of social sciences as they are and as they should be. Mises characteristically spends time excoriating historians who pretend to be economists. His main effort, however, is on the proper delineation between psychology, economics, thymology, and, of course, history.
For those who have read Human Action, the distinction between historical science and economic science is well known. When a so-called economist models the price of onions in Venice in the 1850s, he is not furthering economic knowledge, but simply using mathematics to relate what happened in the past. That this work provides no economic insight and has no predictive power is a central theme of Theory and History.
Furthermore, Mises attacks supposed economic theories that are actually theories of history, and bad ones at that. He embarrasses Marxism for its foundational beliefs that technology determines the social state of affairs and that history is on an inevitable trend towards a final state of socialism. With his typical dry humor, Mises tears apart collectivist ideologies, though some may seem obscure to a modern reader.
On the other hand, his work on thymology is immortal. Continue reading