Evolutionary psychology, heuristics and biases, social psychology, probability theory, decision theory. But these cannot be the only fields you study...
Charlie Munger speaks of a “latticework of mental models”. A good mix, though somewhat skewed to investing, is found here
Charlie Munger speaks of a “latticework of mental models”. A good mix, though somewhat skewed to investing, is found here
http://www.focusinvestor.com/FocusSeriesPart3.pdf