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AD CURVE: The aggregate demand curve, which is a graphical representation of the relation between aggregate expenditures on real production and the price level, holding all ceteris paribus aggregate demand determinants constant. The aggregate demand, or AD, curve is one side of the graphical presentation of the aggregate market. The other side is occupied by the aggregate supply curve (which is actually two curves, the long-run aggregate supply curve and the short-run aggregate supply curve). The negative slope of the aggregate demand curve captures the inverse relation between aggregate expenditures on real production and the price level. This negative slope is attributable to the interest-rate effect, real-balance effect, and net-export effect.
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ECONOMIES OF SCALE Declining long-run average cost that occurs as a firm increases all inputs and expands its scale of production. Economies of scale result from increasing returns to scale and are graphically illustrated by a negatively-sloped long-run average cost curve. Economies of scale usually occur for relatively small levels of production and are then overwhelmed by diseconomies of scale for relatively large production levels. Together, economies of scale and diseconomies of scale create a U-shaped long-run average cost curve.
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BLUE PLACIDOLA
[What's This?]
Today, you are likely to spend a great deal of time wandering around the downtown area hoping to buy either a pair of gray heavy duty boot socks or a 50-foot blue garden hose. Be on the lookout for fairy dust that tastes like salt.
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A half gallon milk jug holds about $50 in pennies.
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"In war, there is no second prize for the runner-up." -- Omar Bradley, US Army general
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OPBU
Operating Budget
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