Thomas Sowell has a whole trilogy on the economic angle of geography and group dynamics. He traveled the world to research the subject and came to these same co

Thomas Sowell has a whole trilogy on the economic angle of geography and group dynamics. He traveled the world to research the subject and came to these same conclusions through data. Geography shapes opportunity, attitudes, culture, education, and outcomes more than any other single factor. - Race and Culture - Migration and Cultures - Conquest and Cultures If ever there were developed the equivalent of psychohistory, it'd likely be a theory of economics. Asimov either chose to ignore or wasn't informed enough about chaos theory at the time he wrote Foundation. He wanted to write a future history that read like The Decline and Fall of the Roman Empire and psychohistory was a device that got him there.