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NATIONAL INCOME AND GROSS DOMESTIC PRODUCT: National income (NI) is the total income earned by the citizens of the national economy resulting from their ownership of resources used in the production of final goods and services during a given period of time, usually one year. Gross domestic product (GDP) is the total market value of all final goods and services produced within the political boundaries of an economy during a given period of time, usually a year. Although national income is generated by the production of gross domestic product, the value of production does not entirely result in earned income. In other words, national income can be derived from gross domestic product after a few adjustments.

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Lesson 13: The Firm | Unit 5: The Bigger Picture Page: 24 of 24

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In this unit, you should have learned about:
  • The four market structures -- perfect competition, monopoly, monopolistic competition, and oligopoly.
  • How market control differs for each of the four market structures.
  • The business sector as the combination of all business firms in the economy.
  • How the business sector interacts with the other three aggregate sectors -- household, government, and foreign -- through the circular flow.

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AVERAGE PRODUCT CURVE

A curve that graphically illustrates the relation between average product and the quantity of the variable input, holding all other inputs fixed. This curve indicates the per unit output at each level of the variable input. The average product curve is one of three related curves used in the analysis of the short-run production of a firm. The other two are total product curve and marginal product curve.

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YELLOW CHIPPEROON
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Today, you are likely to spend a great deal of time looking for a downtown retail store trying to buy either super soft, super cuddly, stuffed animals or a large stuffed brown and white teddy bear. Be on the lookout for gnomes hiding in cypress trees.
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The first "Black Friday" on record, a friday marked by a major financial catastrophe, occurred on September 24, 1869 -- A FRIDAY -- when an attempted cornering of the gold market induced a financial crises and economy-wide depression.
"We may affirm absolutely that nothing great in the world has been accomplished without passion."

-- Hegel

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