Price level

Definition and stakes

Portrait of Irving Fisher Irving Fisher,  The Purchasing Power of Money…

“ Each time a pile has risen, the average level of all has fallen.
VIII.75 The proposition that a general increase in demand, resulting in an increase in trade, tends to decrease and and not to increase the general level of prices, may be regarded as a sort of pons asinorum to test one's knowledge of the fundamental distinction between those influences affecting the general price level and those affecting the rise and fall of a particular price with respect to that level.
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Source: Wikisource

Portrait of Irving Fisher Irving Fisher,  The Purchasing Power of Money…

“ Each "supply curve" or "demand curve" rests upon the unconscious assumption of a price level already existing. Although the curves relate to a commodity, they relate to it only as compared with money. A price is a ratio of exchange between the commodity and money. The money side of each exchange must never be forgotten nor the fact that money already stands in the mind of the purchaser for a general purchasing power. ”
Source: Wikisource

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