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In statistics, economics,and finance, an index is a statistical measure of change in a representative group of individual data points. These data may be derived from any number of sources, including company performance, prices, productivity, and employment. Economic indices track economic health from different perspectives.
For example, podcasts provide the advantage of the human voice, ease of use and mobile access to instruction (Salmon and Edisiringha 2008), and blogs may provide access to newly developed topics that can spur debate. Some online tutoring sites incorporated such tools into their interfaces even before Web 2.0 phenomena were widely discussed.
Peer instruction is a teaching method popularized by Harvard Professor Eric Mazur in the early 1990s. [ 1 ] [ 2 ] Originally used in introductory undergraduate physics classes at Harvard University , peer instruction is used in various disciplines and institutions around the globe.
In statistics and research design, an index is a composite statistic – a measure of changes in a representative group of individual data points, or in other words, a compound measure that aggregates multiple indicators. [1] [2] Indices – also known as indexes and composite indicators – summarize and rank specific observations. [2]
Leading Credit Index - a composite index developed by the Conference Board consisting of six financial indicators such as yield spreads, loan survey information and investor sentiment [5] Interest rate spread (10-year Treasury vs. Federal Funds target) — The interest rate spread is often referred to as the yield curve and implies the expected ...
The Atkinson index is defined as: (, …,) = {(=) / (=) / = (,...,) = +where is individual income (i = 1, 2, ..., N) and is the mean income.. In other words, the Atkinson index is the complement to 1 of the ratio of the Hölder generalized mean of exponent 1−ε to the arithmetic mean of the incomes (where as usual the generalized mean of exponent 0 is interpreted as the geometric mean).
Principles of Economics [1] is an introductory economics textbook by Harvard economics professor N. Gregory Mankiw. It was first published in 1997 and has ten editions as of 2024. [ 2 ] The book was discussed before its publication for the large advance Mankiw received for it from its publisher Harcourt [ 3 ] and has sold over a million copies ...
The Big Mac Index is a simple implementation of PPP where the basket contains a single good: a Big Mac burger from McDonald's restaurants. The index was created and popularized by The Economist in 1986 as a way to teach economics and to identify over- and under-valued currencies. [24]