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SHORT-RUN SUPPLY CURVE: For a perfectly competitive firm, the marginal cost curve that lies above the average variable cost curve. This segment of the marginal cost guides a perfectly competitive firm's profit maximizing production as it equates price to marginal cost. Because the marginal cost curve is positively sloped (due to the law of diminishing marginal returns), each firm's supply curve and the market supply curve are also positively sloped. The law of diminishing marginal returns thus provides an explanation for the law of supply. However, this only works for firms with NO market control. Monopoly, monopolistic competition, and oligopoly, with market control, do not achieve the same result.
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FOUR-SECTOR AGGREGATE EXPENDITURES LINE A graphical depiction of the relation between aggregate expenditures by the four macroeconomic sectors (household, business, government, and foreign) and the level of aggregate income or production. The four-sector aggregate expenditures line combines consumption expenditures, investment expenditures, government purchases, and net exports. The slope of this aggregate expenditures line is based on the marginal propensity to consume, adjusted for marginal propensities of the other expenditures that are assumed to be induced when constructing the line. This is one of three aggregate expenditures lines based on the number of sectors included. The others are the two-sector aggregate expenditures line and the three-sector aggregate expenditures line.
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BLUE PLACIDOLA
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Today, you are likely to spend a great deal of time at a flea market looking to buy either a microwave over that won't burn your popcorn or a T-shirt commemorating the first day of winter. Be on the lookout for a thesaurus filled with typos.
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Rosemary, long associated with remembrance, was worn as wreaths by students in ancient Greece during exams.
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"The only thing that will stop you from fulfilling your dreams is you. " -- Tom Bradley, former Los Angeles mayor
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APEC
Asia-Pacific Economic Co-operation
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