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GOVERNMENT PURCHASES LINE: A graphical depiction of the relation between government purchases and national income (or gross domestic product) that plays a role in Keynesian economics and the Keynesian cross. The slope of this line is positive, greater than zero, less than one, and goes by the name marginal propensity for government purchases. The vertical intercept of this line is autonomous government purchases. The aggregate expenditures line used in the Keynesian cross is obtained by adding this government purchases line, as well as, investment expenditures and net exports, to the consumption line. The government purchases line is also combined with investment expenditures for the Keynesian saving-investment model.
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AUTONOMOUS GOVERNMENT PURCHASES Government purchases by the government sector that do not depend on income or production (especially national income or gross domestic product). That is, changes in income do not generate changes in government purchases. Autonomous government purchases are best thought of as government purchases that the government sector undertake independent of income. They are measured by the intercept term of the government purchases line. The alternative to autonomous government purchases is induced government purchases, which do depend on income.
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WHITE GULLIBON
[What's This?]
Today, you are likely to spend a great deal of time flipping through the yellow pages wanting to buy either hand lotion, a big bottle of hand lotion or a lighted magnifying glass. Be on the lookout for broken fingernail clippers.
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This isn't me! What am I?
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The standard "debt" notation I.O.U. does not mean "I owe you," but actually stands for "I owe unto..."
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"Believe one who has tried it. " -- Virgil, Roman poet
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LRAC
Long Run Average Cost
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