But aside from that, in physics... We treat things like, say, all electrons as being identical. However in economics the constituent actors are not identical.

But aside from that, in physics... We treat things like, say, all electrons as being identical. However in economics the constituent actors are not identical. Worse than that, ideas in the population can start with very few proponents and chaotically spread to very many or completely die out... On terms very difficult to measure or predict and not according to any rational basis. Treating economics as a science, much like any other social science, should be looked upon much the same as treating astrology as a science: very doubiously. No matter how sophisticated the jargon or contrived the theory, it's often no better than guessing.