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KEYNESIAN MODEL: A macroeconomic model based on the principles of Keynesian economics that is used to identify the equilibrium level of, and analyze disruptions to, aggregate production and income. This model identifies equilibrium aggregate production and income as the intersection of the aggregate expenditures line and the 45-degree line. The Keynesian model comes in three basic variations designated by the number of macroeconomic sectors included--two-sector, three-sector, and four sector. The Keynesian model is also commonly presented in the form of injections and leakages in addition to the standard aggregate expenditures format. This model is used to analyze several important topics and issues, including multipliers, business cycles, fiscal policy, and monetary policy.

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MONOPOLISTIC COMPETITION, EFFICIENCY

A monopolistically competitive firm generally produces less output and charges a higher price than would be the case for a perfectly competitive firm. In particular, the price charged by a monopolistically competitive firm is higher than the marginal cost of production, which violates the efficiency condition that price equals marginal cost. A monopolistically competitive firm is inefficient because it has market control and faces a negatively-sloped demand curve.

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BEIGE MUNDORTLE
[What's This?]

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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This isn't me! What am I?

The word "fiscal" is derived from a Latin word meaning "moneybag."
"Whenever an individual or a business decides that success has been attained, progress stops. "

-- Thomas Watson Jr., IBM executive

ARMA
Autoregressive Moving Average
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