Economic Definition of bond rating. Defined.
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Term bond rating Definition: A measure of the ability of a firm to meet its debt obligations or credit worthiness. Basically, a bond rating summarizes the assessment of a firm's net worth, cash flow and viability of projects so that investors can assign the size of the default-risk premium to the bond. These measurements are so important that investors frequently pay professional analysts to collect, monitor and process information about firms. Standard and Poor's Corporation and Moody's Investors Service are two of the most respected bond rating agencies.