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BUDGET PROPORTION: One of three elasticity determinants (time period and substitute availability are the other two) stating that the elasticity of a good tends to be greater when the proportion of the budget devoting to the good is greater. In other words, the price elasticity of demand for housing (which takes up a sizeable portion of most budgets) is greater than that for a pair of socks (which does not take up much of most budgets). Even small percentage changes in goods that constitute a sizeable share of income can be quite large in absolute terms. As such, buyers tend to more sensitive to price changes in big-budget expenditures. This elasticity determinant works primarily for the price elasticity of demand.
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INJECTIONS-LEAKAGES MODEL A macroeconomic model that balances non-consumption expenditures on production (injections) and non-consumption uses of income (leakages) that is used to identify the equilibrium level of, and analyze disruptions to, aggregate production and income. The injections-leakages model is based on the principles of Keynesian economics and provides an alternative to the standard aggregate expenditures (Keynesian cross) analysis. The three injections included in the model are investment expenditures, government purchases, and exports. The three leakages included in the model are saving, taxes, and imports. Three variations are the two-sector injections-leakages model (or saving-investment model), three-sector injections-leakages model, and four-sector injections-leakages model.
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RED AGGRESSERINE
[What's This?]
Today, you are likely to spend a great deal of time searching the newspaper want ads looking to buy either a T-shirt commemorating the 2000 Olympics or a genuine fake plastic Tiffany lamp. Be on the lookout for crowded shopping malls.
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A half gallon milk jug holds about $50 in pennies.
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"He who has begun has half done. Dare to be wise ‚ begin! " -- Horace, poet, satirist
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MMSE
Minimun Mean Square Error
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