股市那麼難預測是什麼原因?? - 股票

By Catherine
at 2018-05-25T11:29
at 2018-05-25T11:29
Table of Contents
像經濟學有所謂的CAPM(資產定價模型)
可以預測資產價格和市場風險間的關係
但CAPM 有時候也會不準
CAPM提出後也出現很多不同的修正改良版本
CAPM 是一個ODE(常微分方程)
有人覺得真正的股價動力學應該要是一個PDE(偏微分方程)的嗎?
股價"空間"的那個部分的描述
要怎麼整合到CAPM中?
有人能提供任何的想法嗎?
萬分感激!!!
m(_ _)m
但不得不承認
CAPM 是我認為目前經濟學中相當完美而且高明的股價動力學方程式!
--
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