
EQUALITY STANDARD: One of three basic income distribution standards (the other two are contributive standard and needs standard). The equality standard distributes income equally to every person in society. Everyoneevery man, woman, and childwould, in other words, receive exactly the same, per capita incomeno more, no less. If, for example, total income earned by 270 million people in the United States is $7 trillion, then every person would receive $25,925.9 eachno more, no less.
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POINT ELASTICITY: The relative responsiveness of a change in one variable (call it B) to an infinitesimally small change in another variable (call it A). The notion of point elasticity typically comes into play when discussing the elasticity at a specific point on a curve. Point elasticity can be calculated in a number of different ways. Sophisticated economists, using sophisticated mathematical techniques (better known as calculus) calculate point elasticity by using derivatives. Derivatives are calculus talk for infinitesimally small changes. The formula for calculating point elasticity using calculus is given as:The symbol that looks like a backward six (∂) is the mathematical notation for a derivative, or infinitesimally small change. The first term on the righthand side of this formula is the percentage change in variable B and the second term is the percentage change in variable A.Unsophisticated folks can also calculate point elasticity without the use of sophisticated calculus. This is done with the midpoint elasticity formula, presented here: midpoint elasticity  =  (B2  B1) (B2 + B1)/2  ÷  (A2  A1) (A2 + A1)/2 
The first term on the righthand side of the equation is the percentage change in variable B. The second term is the percentage change in variable A. The individual items are interpreted as this: A1 is the initial value of A before any changes, A2 is the ending value after A changes, B1 is the initial value of B before any changes, and B2 is the ending value after B changes.This midpoint elasticity formula actually calculates the average or arc elasticity of the entire line segment. However, it also calculates the point elasticity for the midpoint of a line segment.
Recommended Citation:POINT ELASTICITY, AmosWEB Encyclonomic WEB*pedia, http://www.AmosWEB.com, AmosWEB LLC, 20002022. [Accessed: May 28, 2022]. Check Out These Related Terms...       Or For A Little Background...       And For Further Study...      
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