Cost of equity can be estimated by models such as capital asset pricing model (CAPM), the dividend discount model or the Fama-French three-factor model.

• 再说权证。股改几年发型了不少权证，个人认为它本身是个好东西，它不但为解决股权分置的问题做出了重大贡献，也让国内投资者学到了初步的衍生金融工具知识。