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Isaac Asimov, one of the masters of Anticipation, aka Sci-Fi, invented the concept of Psychohistory in his novel FOUNDATION (1951). Well, I believe what psychohistory is really describing is (macro)econometrics when it works perfectly, if it ever does. Indeed, if I quote wikipedia's description of psychohistory, it relies on the following axioms: Psychohistory depends on the idea that, while one cannot foresee the actions of a particular individual, the laws of statistics as applied to large groups of people could predict the general flow of future events. [...] Asimov applied this concept to the population of his fictional Galactic Empire, which numbered a quintillion. The character respons