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The Marshall-Edgeworth index, credited to Marshall (1887) and Edgeworth (1925), [11] is a weighted relative of current period to base period sets of prices. This index uses the arithmetic average of the current and based period quantities for weighting. It is considered a pseudo-superlative formula and is symmetric. [12]
The Global Competitiveness Report (GCR) [1] was a yearly report published by the World Economic Forum.Between 2004 and 2020, [2] the Global Competitiveness Report ranked countries based on the Global Competitiveness Index, [1] developed by Xavier Sala-i-Martin and Elsa V. Artadi. [3]
Curiosity quotient is a term put forth by author and journalist Thomas L. Friedman as part of an illustrative formula to explain how individuals can be powerfully motivated to learn about a personally interesting subject, whether or not they possess a particularly high intelligence quotient (IQ). The non-mathematical and fictitious formula is ...
A price index (plural: "price indices" or "price indexes") is a normalized average (typically a weighted average) of price relatives for a given class of goods or services in a given region, during a given interval of time.
A Törnqvist quantity index can be calculated analogously using prices for weights. Quantity indexes are used in computing aggregate indexes for physical "capital" summarizing equipment and structures of different types into one time series. Swapping p's for q's and q's for p's gives an equation for a quantity index:
The Q Score is a metric that determines a "quotient" ("Q") factor through mail and online panelists who make up representative samples of the population. The score identifies the familiarity of an athlete, brand, celebrity, poet, entertainment offering (e.g., television show), or licensed property, and measures the appeal of each among people ...
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 .
In simpler terms, the true cost-of-living index is the cost of achieving a certain level of utility (or standard of living) in one year relative to the cost of achieving the same level the next year. Utility is not directly measurable, so the true cost of living index only serves as a theoretical ideal, not a practical price index formula.