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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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MARGINAL PROPENSITY TO SAVE The proportion of each additional dollar of household income that is used for saving. The marginal propensity to save (abbreviated MPS) is another term for the slope of the saving line and is calculated as the change in saving divided by the change in income. The MPS plays a central role in Keynesian economics. It quantifies the saving-income relation, which is the flip side of the consumption-income relation, and thus it reflects the fundamental psychological law. It is also a critical to the multiplier process. A related saving measure is the average propensity to save.
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BLACK DISMALAPOD
[What's This?]
Today, you are likely to spend a great deal of time browsing through a long list of dot com websites wanting to buy either decorative garden figurines or a wall poster commemorating last Friday (you know why). Be on the lookout for infected paper cuts.
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This isn't me! What am I?
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Lombard Street is London's equivalent of New York's Wall Street.
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"The roots of education are bitter, but the fruit is sweet." -- Aristotle, Greek philosopher
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MLE
Maximum Likelihood Estimator
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