How to use the residual income model
To value a company using the residual income model, an analyst must first determine the company's residual income. That's a two-step process:
First, determine the equity charge. This number is the equity capital (the funds paid into the business by investors in exchange for common or preferred stock) multiplied by the cost of equity (dividends per share for the next year, if any, divided by the current market value of the stock plus the growth rate of dividends).
Put another way, the formula is: