Treatment of the apparently whimsical fluctuations of the stock quotations as truly non stationary processes requires a model of such complexity that its practical value is likely to be limited. An additional complication, not encompassed by most stock market models, arises from the manifestation of the market as a nonzero sum game.
Music should humbly seek to please; within these limits great beauty may perhaps be found. Extreme complication is contrary to art. Beauty must appeal to the senses, must provide us with immediate enjoyment, must impress us or insinuate itself into us without any effort on our part.claude debussy