The effectiveness of media as measured by a comparison of audience, either potential or actual, with cost and expressed as a cost-per-thousand.

Comparison of the cost of reaching members of the target audience and the cost reaching the entire audience of the medium. Usually expressed in CPM.

Is the relationship between a medium's (or a media schedule's) audience and the cost of using that medium (or media schedule) to reach a specific audience. For broadcast media, "Cost per TARP" (CPT) is the most common measure of cost efficiency. For print "Cost per Thousand" is most often used to measure cost efficiency.

this is a ratio of the excess return over a fund's benchmark, divided by management expenses. It calculates the value added (i.e. the excess over index returns) contributed by each percentage point of management expenses. A positive ratio would indicate that management expenses have a positive contribution and that the fund has "earned its fees". Default risk: refers to the risk of non-payment by a bond issuer. Default occurs when companies with weak financial situations have difficulty meeting their debt obligations, in which case bondholders face the risk of losing their principal investment. Default risk is higher during periods of economic recession or slowdown.

the value of an advertising campaign in relation to its cost.