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DEMAND ELASTICITY AND TOTAL EXPENDITURE: The notion that price-induced changes in total expenditure for a good (price times quantity) depends on the relative price elasticity of demand. In particular, for relatively elastic demand (1 < E < ∞) changes in price cause total expenditure to change in the opposite direction. An increase in price causes total expenditure to fall and a decrease in price causes total expenditure to rise. For relatively inelastic demand (0 < E < 1) changes in price cause total expenditure to change in the same direction. An increase in price causes total expenditure to rise and a decrease in price causes total expenditure to fall. For unit elastic demand (E =1) price changes do not cause any change in total expenditure. Total expenditure is the same whether price increases or decreases.

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SECOND RULE OF SUBJECTIVITY

The second of seven basic rules of the economy, stating that market prices are determined by subjective values and the preferences of buyers and resource owners. Contrary to popular opinion, prices and costs are not immutably facts of nature, but are ultimately based on what people are willing to pay or accept.

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APLS

BEIGE MUNDORTLE
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Today, you are likely to spend a great deal of time searching for rummage sales hoping to buy either a how-to book on wine tasting or a bookshelf that will fit in your closet. Be on the lookout for mail order catalogs with hidden messages.
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The Dow Jones family of stock market price indexes began with a simple average of 11 stock prices in 1884.
"Whenever an individual or a business decides that success has been attained, progress stops. "

-- Thomas Watson Jr., IBM executive

FCLT
Functional Central Limit Theorem
A PEDestrian's Guide
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