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NATIONAL INCOME AND PRODUCT ACCOUNTS: The official government system of collecting, processing, and reporting assorted production and income measures used to track aggregate activity in the macroeconomy. This system of accounts, maintained by the Bureau of Economic Analysis in the Department of Commerce, is the source of official estimates of gross domestic product, net domestic product, national income, personal income, disposable income, gross national product, and related measures that are published quarterly and annually. The National Income and Product Accounts is only one of several sets of data processed and reported by the Bureau of Economic Analysis.

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FOUR-FIRM CONCENTRATION RATIO

The proportion of total output in an industry produced by the four largest firms in an industry. This is one of two common concentration ratios. The other is the eight-firm concentration ratio. Another related measure is the Herfindahl index. The four-firm concentration ratio is commonly used to indicate the degree to which an industry is oligopolistic and the extent of market control held by the four largest firms in the industry.

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Today, you are likely to spend a great deal of time at the confiscated property police auction wanting to buy either one of those memory foam pillows or a remote controlled train set. Be on the lookout for strangers with large satchels of used undergarments.
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Mark Twain said "I wonder how much it would take to buy soap buble if there was only one in the world."
"Long-range goals keep you from being frustrated by short-term failures "

-- J. C. Penney, Retailer

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