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GROSS DOMESTIC PRODUCT AND NATIONAL INCOME: 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. 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. While the vast majority of domestic production is undertaken by domestic factors of production (national income is about 80% of gross domestic product) key differences do exist. The six main differences between gross domestic product and national income are (1) capital consumption adjustment, (2) indirect business taxes, (3) business transfer payments, (4) net foreign factor income, (5) government subsidies, and (6) statistical discrepancy.

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HERFINDAHL INDEX

A measure of concentration of the production in an industry calculated as the sum of the squares of market shares for each firm. This is one method of summarizing the degree to which an industry is oligopolistic and the concentration of market control held by the largest firms in the industry. Two other measures of industry concentration are the four-firm concentration ratio and the eight-firm concentration ratio.

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Today, you are likely to spend a great deal of time at a going out of business sale hoping to buy either a printer that works with your stockpile of ink cartridges or income tax software. Be on the lookout for door-to-door salesmen.
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The New York Stock Exchange was established by a group of investors in New York City in 1817 under a buttonwood tree at the end of a little road named Wall Street.
"The greater danger for most of us is not that our aim is too high and we miss it, but that it is too low and we reach it."

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