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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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SPECIALIZATION The condition in which resources are primarily devoted to specific production tasks. This is one of THE most important and most fundamental notions in the study of economics. Civilized human beings have long recognized that limited resources can be more effectively used in the production of the goods and services that satisfy unlimited wants and needs if those resources specialize.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time strolling around a discount warehouse buying club hoping to buy either a birthday greeting card for your grandmother or a coffee cup commemorating yesterday. Be on the lookout for crowded shopping malls.
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Three-forths of the gold mined each year is used to manufacture jewelry.
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"When your values are clear to you, making decisions becomes easier. " -- Roy Disney, executive
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ARIMA
Autoregressive Integrated Moving Average
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