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  2. Tobin's q - Wikipedia

    en.wikipedia.org/wiki/Tobin's_q

    Tobin's q. Tobin's q[a] (or the q ratio, and Kaldor's v), is the ratio between a physical asset 's market value and its replacement value. It was first introduced by Nicholas Kaldor in 1966 in his paper: Marginal Productivity and the Macro-Economic Theories of Distribution: Comment on Samuelson and Modigliani. [1][2] It was popularised a decade ...

  3. Gini coefficient - Wikipedia

    en.wikipedia.org/wiki/Gini_coefficient

    v. t. e. In economics, the Gini coefficient (/ ˈdʒiːni / JEE-nee), also known as the Gini index or Gini ratio, is a measure of statistical dispersion intended to represent the income inequality, the wealth inequality, or the consumption inequality [ 3 ] within a nation or a social group. It was developed by Italian statistician and ...

  4. Psychrometrics - Wikipedia

    en.wikipedia.org/wiki/Psychrometrics

    Hygrometer. Dry / Wet-bulb temperature. v. t. e. Psychrometrics (or psychrometry, from Greek ψυχρόν (psuchron) 'cold' and μέτρον (metron) 'means of measurement'; [1][2] also called hygrometry) is the field of engineering concerned with the physical and thermodynamic properties of gas - vapor mixtures.

  5. Hausner ratio - Wikipedia

    en.wikipedia.org/wiki/Hausner_ratio

    The Hausner ratio is a number that is correlated to the flowability of a powder or granular material. It is named after the engineer Henry H. Hausner (1900–1995). [1][2] The Hausner ratio is calculated by the formula. where is the freely settled bulk density of the powder, and is the tapped bulk density of the powder.

  6. Ratio estimator - Wikipedia

    en.wikipedia.org/wiki/Ratio_estimator

    The ratio estimator is a statistical estimator for the ratio of means of two random variables. Ratio estimates are biased and corrections must be made when they are used in experimental or survey work. The ratio estimates are asymmetrical and symmetrical tests such as the t test should not be used to generate confidence intervals.

  7. Piotroski F-score - Wikipedia

    en.wikipedia.org/wiki/Piotroski_F-Score

    Change in Asset Turnover ratio (1 point if it is higher in the current year compared to the previous one, 0 otherwise); Some adjustments that were done in calculation of the required financial ratios are discussed in the original paper. [2] The score is calculated based on the data from financial statement of a company.

  8. Normal shock tables - Wikipedia

    en.wikipedia.org/wiki/Normal_shock_tables

    Normal shock tables. In aerodynamics, the normal shock tables are a series of tabulated data listing the various properties before and after the occurrence of a normal shock wave. [1] With a given upstream Mach number, the post-shock Mach number can be calculated along with the pressure, density, temperature, and stagnation pressure ratios.

  9. Incremental cost-effectiveness ratio - Wikipedia

    en.wikipedia.org/wiki/Incremental_cost...

    The incremental cost-effectiveness ratio (ICER) is a statistic used in cost-effectiveness analysis to summarise the cost-effectiveness of a health care intervention. It is defined by the difference in cost between two possible interventions, divided by the difference in their effect. It represents the average incremental cost associated with 1 ...