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  2. Efficiency ratio - Wikipedia

    en.wikipedia.org/wiki/Efficiency_ratio

    The efficiency ratio indicates the expenses as a percentage of revenue (expenses / revenue), with a few variations – it is essentially how much a corporation or individual spends to make a dollar; entities are supposed to attempt minimizing efficiency ratios (reducing expenses and increasing earnings). The concept typically applies to banks.

  3. Cost–utility analysis - Wikipedia

    en.wikipedia.org/wiki/Cost–utility_analysis

    The incremental cost-effectiveness ratio (ICER) is the ratio between the difference in costs and the difference in benefits of two interventions. The ICER may be stated as (C1 – C0)/(E1 – E0) in a simple example where C0 and E0 represent the cost and gain, respectively, from taking no health intervention action.

  4. Category:Financial ratios - Wikipedia

    en.wikipedia.org/wiki/Category:Financial_ratios

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  5. Golden ratio - Wikipedia

    en.wikipedia.org/wiki/Golden_ratio

    In mathematics, two quantities are in the golden ratio if their ratio is the same as the ratio of their sum to the larger of the two quantities. Expressed algebraically, for quantities ⁠ a {\displaystyle a} ⁠ and ⁠ b {\displaystyle b} ⁠ with ⁠ a > b > 0 {\displaystyle a>b>0} ⁠ , ⁠ a {\displaystyle a} ⁠ is in a golden ratio to ...

  6. Jaws ratio - Wikipedia

    en.wikipedia.org/wiki/Jaws_ratio

    The ratio is so named because, when these rates are graphed, the space between the lines resembles a pair of jaws. [1] Strictly speaking, the jaws ratio is not a true ratio in that the calculation is not expressed as one number divided by another, and is calculated as follows: Jaws ratio = (Income Growth Rate) − (Expense Growth Rate). The ...

  7. Hit rate - Wikipedia

    en.wikipedia.org/wiki/Hit_rate

    Hit rate is a metric or measure of business performance traditionally associated with sales.It is defined as the number of sales of a product divided by the number of customers who go online, planned call, or visit a company to find out about the product.

  8. Risk–benefit ratio - Wikipedia

    en.wikipedia.org/wiki/Risk–benefit_ratio

    A risk–benefit ratio (or benefit-risk ratio) is the ratio of the risk of an action to its potential benefits. Risk–benefit analysis (or benefit-risk analysis) is analysis that seeks to quantify the risk and benefits and hence their ratio. Analyzing a risk can be heavily dependent on the human factor.

  9. Otto cycle - Wikipedia

    en.wikipedia.org/wiki/Otto_cycle

    Expansion of working fluid takes place isentropically and work is done by the system on the piston. The volume ratio / is called the "isentropic expansion ratio". (For the Otto cycle is the same as the compression ratio /). Mechanically this is the expansion of the hot gaseous mixture in the cylinder known as expansion (power) stroke.