hallex

这是原版书上给出的参考文献，可以看看：Fuller, Russell J., and Chi-Cheng Hsia. 1984. “A Simplified Common Stock Valuation Model.” Financial Analysts Journal, vol. 40, no. 5:49–56.
这篇文献还引用了另外一篇文献中给出的模型简化方法，“A more realistic, yet operational, model is given by Equation (7)……”，所以大概看看就好吧，不用细究推导过程