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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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INFLATION RATE The percentage change in the price level from one period to the next. The inflation rate is most commonly presented as an annual average, the percentage change in the average price level from one year to the next. The two most common price indexes used to measure the price level and the inflation rate are the Consumer Price Index (CPI) and the GDP price deflator. The inflation rate is one of several key indicators of business-cycle instability and the overall health of the macroeconomy, with primary focus on tracking the goal of price stability.
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PURPLE SMARPHIN
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Today, you are likely to spend a great deal of time looking for a downtown retail store trying to buy either a 200-foot blue garden hose or a video camera with stop action features. Be on the lookout for infected paper cuts.
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Natural gas has no odor. The smell is added artificially so that leaks can be detected.
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"If you worried about falling off the bike, you'd never get on. " -- Lance Armstrong, bicycle racer
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