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PERFECT COMPETITION, MARGINAL ANALYSIS: A perfectly competitive firm produces the profit-maximizing quantity of output that equates marginal revenue and marginal cost. This marginal approach is one of three methods that used to determine the profit-maximizing quantity of output. The other two methods involve the direct analysis of economic profit or a comparison of total revenue and total cost.

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Lesson 11: Circular Flow | Unit 4: Foreign Page: 16 of 22

Topic: Foreign Trade <=PAGE BACK | PAGE NEXT=>

The foreign sector is the fourth and last circular flow sector.
  • The foreign sector is households, businesses, and governments outside the domestic economy (including other planets).
  • Market exchanges are a natural means of addressing the scarcity problem. Mutually beneficial exchanges aren't limited by geographic location or political boundaries.
  • Foreign trade, the exchange among buyers and sellers in different nations, is an extension of mutually beneficial exchanges among people of the same country.
  • Foreign trade gives us the terms exports and imports.

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KEYNESIAN CROSS

A diagram illustrating the basic Keynesian theory of macroeconomics, with aggregate expenditures measured on the vertical axis and aggregate production measured on the horizontal axis, with the relation between aggregate expenditures and aggregate production represented by a positively-sloped aggregate expenditures line. The "cross" aspect of this diagram is the intersection between the aggregate expenditures line and a 45-degree line indicating every point of equality between aggregate expenditures and aggregate production. The "Keynesian" aspect of this diagram is derived from John Maynard Keynes, the developer and namesake of Keynesian economics.

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Today, you are likely to spend a great deal of time at a flea market looking to buy either a how-to book on home repairs or a large, stuffed kitty cat. Be on the lookout for spoiled cheese hiding under your bed hatching conspiracies against humanity.
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Parker Brothers, the folks who produce the Monopoly board game, prints more Monopoly money each year than real currency printed by the U.S. government.
"We succeed in enterprises (that) demand the positive qualities we possess, but we excel in those (that) can also make use of our defects. "

-- Alexis de Tocqueville, statesman, author

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