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KEYNESIAN EQUILIBRIUM: The state of the macroeconomy in which aggregate expenditures are equal to aggregate output. This is illustrated using the income-expenditure model, or Keynesian cross, as the intersection of the aggregate expenditures line and the 45-degree line. The aggregate expenditures line is the summation of consumption expenditures, investment expenditures, government purchases, and net exports. The 45-degree line represents all combinations in which aggregate expenditures equal aggregate output. Keynesian equilibrium is also represented by the saving-investment, or injection-leakage, model as the intersection between the injection line (investment expenditures, government purchases, and exports) and the leakage line (saving, taxes, and imports).
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Lesson 8: Market Shocks | Unit 1: Adjustments
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Page: 3 of 20
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- The market model as a tool to understand our economic world, specifically to see how markets move, or adjust, from one equilibrium to another.
- The three basic questions about market changes: What causes the shock? What are the consequences of the shock? Is the shock good or bad?
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MARGINAL REVENUE CURVE, PERFECT COMPETITION A curve that graphically represents the relation between the marginal revenue received by a perfectly competitive firm for selling its output and the quantity of output sold. Because a perfectly competitive firm is a price taker and faces a horizontal demand curve, its marginal revenue curve is also horizontal and coincides with its average revenue (and demand) curve. A perfectly competitive firm maximizes profit by producing the quantity of output found at the intersection of the marginal revenue curve and marginal cost curve.
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YELLOW CHIPPEROON
[What's This?]
Today, you are likely to spend a great deal of time at a going out of business sale looking to buy either a New York Yankees baseball cap or several magazines on home repairs. Be on the lookout for gnomes hiding in cypress trees.
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In the Middle Ages, pepper was used for bartering, and it was often more valuable and stable in value than gold.
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"Courage is the ladder on which all the other virtues mount." -- Claire Boothe Luce, diplomat, writer
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EFT
Electronic Funds Transfer
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