不知道LZ说的是不是关于private company valuation 中间的three major approaches：
Income approach
market approach
asset-based approach
Income approach based on the PV of future income, i think it is the traditional cash flow approach which used for the high growth period (DCF-absolute valuation method in public company valuation)
market approach use the price multiple, such as P/E,P/S to estimate the value of the mature private firms.
asset based approach means the value of a firm equal the asset minus liability for the early period private firm(absolute valuation method )
