effective gross income(This term used for an income-producing property, derived from the potential gross income, less the vacancy factor and a collection loss amount. This is the relationship or ratio between the sale price of the value of a property and its effective gross rental income. wiki Alexander Demidov)
income capitalization approach(The income capitalization approach capitalizes the stream of income into an indicator of value of a commercial property that produces income. (Оценочная деятельность) 'More)
capitalization of income method(оценочная деятельность: capitalization of income method–Method of estimating accrued depreciation similar to the sales comparison approach except that estimated values (appraisals) based on the income approach are used instead of comparable sales. Reliability depends on accurate data and appropriate methods. 'More)