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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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BUSINESS CYCLES The recurring, but irregular, expansions and contractions of economic activity in the macroeconomy. While business cycles are frequently measured by real gross domestic product, they show up in many aggregate measures of economic activity, including the unemployment rate, the inflation rate, consumption expenditures, and tax collections, to name just a few. The study of macroeconomics is largely the study of business cycles. Macroeconomic theories seek to understand business cycles and macroeconomic policies seek to correct the problems of business cycles.
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BLACK DISMALAPOD
[What's This?]
Today, you are likely to spend a great deal of time going from convenience store to convenience store wanting to buy either a how-to book on wine tasting or a bookshelf that will fit in your closet. Be on the lookout for broken fingernail clippers.
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On a typical day, the United States Mint produces over $1 million worth of dimes.
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"When we do the best we can, we never know what miracle is wrought in our life or in the life of another. " -- Helen Keller, lecturer, author
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AR(N)
A nth-order Autoregressive Process
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