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LERNER INDEX: The difference between price (p) and marginal cost (mc) as a fraction of price, that is [p-mc]/p. The Lerner index is usually taken as an indicator of market power because the larger the index, the larger the difference between price and marginal cost, that is, the larger the distance between the price and the competitive price. The Lerner index depends on the elasticity of demand. The Lerner index is also called the price-cost margin.
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AGGREGATE DEMAND SHIFTS Changes in the aggregate demand determinants cause the aggregate demand curve to shift. The mechanism is comparable to that for market demand determinants and market demand. There are two alternatives--an increase in aggregate demand and a decrease in aggregate demand. An increase in spending by any of the four sectors--household, business, government, and foreign--shifts the aggregate demand curve to right. A decrease in spending by these four sectors shifts the aggregate demand curve to left.
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WHITE GULLIBON
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Today, you are likely to spend a great deal of time at a flea market wanting to buy either a wall poster commemorating the moon landing or storage boxes for your winter clothes. Be on the lookout for attractive cable television service repair people.
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John Maynard Keynes was born the same year Karl Marx died.
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"You are the only problem you will ever have and you are the only solution. Change is inevitable, personal growth is always a personal decision." -- Bob Proctor, Author and Speaker
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