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Untitled

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I changed the formula for the elasticity itself to be equal to epsilon, since that notation seems used quite often. 153.90.172.153 19:41, 12 October 2007 (UTC)[reply]

Hey, what does the graph for income elastic demand look like? thanks....

Kebabco: i added this: Formula: (%change in demand) / (%change in income) = Income elasticity

Fair use rationale for Image:Pyat rublei 1997.jpg

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Image:Pyat rublei 1997.jpg is being used on this article. I notice the image page specifies that the image is being used under fair use but there is no explanation or rationale as to why its use in this Wikipedia article constitutes fair use. In addition to the boilerplate fair use template, you must also write out on the image description page a specific explanation or rationale for why using this image in each article is consistent with fair use.

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BetacommandBot 11:28, 6 July 2007 (UTC)[reply]

Diagram

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Can someone please check if the diagram is correct? Thanks! wykis 15:32, 14 October 2007 (UTC)[reply]

http://wiki.riteme.site/wiki/Image:Income_elasticity_of_demand_-_inferior_goods.svg? if thats the one your talking about, Its so vague I don't think it can actually be incorrect.--Majikthise 110 (talk) 19:50, 13 December 2007 (UTC)[reply]

The diagram is incorrect - the diagram is not a demand curve - it is a two dimensional representation of the relationship between income and quantity demanded (Not demand), The diagram depicts the relationship as being negative = as income increases quantity demanded goes down - which would tend to indicate we are dealing with an inferior good. Note that if a non price determinant of demand would change it would be reflected in a shift in this curve. For example, if the price of the good were to increase the curve would shift in - demand for the good would decrease.--Jgard5000 (talk) 19:56, 26 September 2009 (UTC)jgard5000 The important thing about the diagram wrong or not is that is shows that a "demand" function is not limited to considerations of quantity demanded and price -[reply]

Mathematical definition

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Anyone else feels this section needs a bit of expanding?, It needs some formulas that are easer to understand before getting simplified to what is showing now. (an equivalent of [[1]] would be nice) --Majikthise 110 (talk) 19:56, 13 December 2007 (UTC)[reply]

Include YED in the title

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Include the abbreviation YED in the title as it has been for PED and PES --Quidom (talk) 12:38, 12 May 2008 (UTC)[reply]

Notation - I vs. Y

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I notice that all of the equations in this article refer to income as "I." The normal letter to refer to income is "Y," since "I" is already used for Investment. This is significant because it is at odds with other economics articles on Wikipedia and even with it's own article title (YED). It took me a few seconds to figure out that I refereed to income once I arrived at this article (I was looking for the equations specifically) and I was momentarily disoriented as I read upwards to figure out the notation from the diagram. This is especially important since nowhere in the article are the terms used in the equation defined. Unless anyone has any objections I shall change all the equations and the diagram to to use "Y" instead of "I" and add a note on what the terms in the equations mean right before that section. - Havell (talk) 02:34, 23 January 2009 (UTC)[reply]

Generalization

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For every person it's different,

For every city and neighborhood it's different. --Hartz (talk) 19:04, 13 November 2012 (UTC)[reply]

Eco

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Income demand 103.110.144.177 (talk) 17:20, 4 August 2022 (UTC)[reply]

Ruskin Smith

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Ruskin Smith seems to be a sound cloud rapper, just thought you guys should know. 202.36.244.19 (talk) 06:55, 2 March 2023 (UTC)[reply]