There are several business financial attributes required for EBITDA (Earnings Before Interest, Taxes, Depreciation and Amortization) to work well as a basis for the multiple of earnings method (the method used with the Market Comparable Valuation Approach); see Fair Market Value for a better understanding of the three primary business valuation approaches.
Book value is a loosely used generic term referring to the accounting value of a business or operation. It is generally referred to as the net balance sheet value on a given date. This means assets less liabilities and less intangibles. Other variations of book value include carrying value, basis, and tangible book value.