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MACROECONOMIC SECTORS: The four aggregate sectors of the macroeconomy--household, business, government, and foreign--that reflect four key macroeconomic functions and are responsible for four expenditures on gross domestic product. These four sectors are the primary "actors" on the macroeconomic stage. Macroeconomic theories then explain macroeconomic phenomena by exploring the interaction among these four sectors.
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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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PURPLE SMARPHIN [What's This?]
Today, you are likely to spend a great deal of time at a dollar discount store hoping to buy either a handcrafted spice rack or a cell phone case. Be on the lookout for bottles of barbeque sauce that act TOO innocent. Your Complete Scope
This isn't me! What am I?
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Sixty percent of big-firm executives said the cover letter is as important or more important than the resume itself when you're looking for a new job
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"Trust yourself. You know more than you think you do. " -- Benjamin Spock, doctor
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FED Federal Reserve
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