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AGGREGATE MARKET ANALYSIS: An investigation of macroeconomic phenomena, including unemployment, inflation, business cycles, and stabilization policies, using the aggregate market interaction between aggregate demand, short-run aggregate supply, and long-run aggregate supply. Aggregate market analysis, also termed AS-AD analysis, has been the primary method of investigating macroeconomic activity since the 1980s, replacing Keynesian economic analysis that was predominant for several decades. Like most economic analysis, aggregate market analysis employs comparative statics, the technique of comparing the equilibrium after a shock with the equilibrium before a shock. While the aggregate market model is usually presented as a simply graph at the introductory level, more sophisticated and more advanced analyses often involve a system of equations.
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INCREASING MARGINAL RETURNS In the short-run production by a firm, an increase in the variable input results in an increase in the marginal product of the variable input. Increasing marginal returns typically surface when the first few quantities of a variable input are added to a fixed input. This is one of two alternatives for marginal returns. The other is decreasing marginal returns. A related phenomenon for long-run production is increasing returns to scale.
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GRAY SKITTERY
[What's This?]
Today, you are likely to spend a great deal of time watching infomercials trying to buy either a birthday greeting card for your grandfather or a weathervane with a cow on top. Be on the lookout for deranged pelicans.
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The first U.S. fire insurance company was established by Benjamin Franklin in 1752 in Philadelphia.
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"Genius is an infinite capacity for taking pains. " -- Jane Ellis Hopkins, writer
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IS-LM
Investment/Saving-Liquidity/Money
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