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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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PURPLE SMARPHIN
Your compete MICRO*scope for today
You are the type of person who excels on exams, IQ tests, and mental puzzles. Family and friends generally call the local library when they can't find you, and rightfully so. Today, you are likely to spend a great deal of time watching infomercials hoping to buy either decorative celebrity figurines or a flower arrangement with anything but tulips for your grandfather. Be on the lookout for vindictive digital clocks with revenge on their minds. You should consider shopping at stores or businesses beginning with the letter T, but do not buy any products with a serial number or product code containing the number 671879. Your preferred shopping venue is the Internet. Your special symbol is the exclamation point (!).
Is this You?
As a Purple Smarphin, you are the brightest and most intelligent person you know. And that goes for shopping, too. You know exactly what you want. You know exactly what it costs. You know exactly when and where to buy. But, of course, shopping is only one of the many activities that attracts your intellectual attention. You shop when you need to and buy if have to, but shopping is not the end all of your life.
This isn't me! What am I?
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TAXES Legally mandated payments to government that are NOT made in exchange for a good or service. The primary reason government collects taxes is the revenue needed to pay for government expenditures, especially administrative expenses and the provision of public goods. Taxes are one of two methods of obtaining the revenue the government sector uses to pay for expenditures. The other is government borrowing.
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Charging Up Your CREDIT CARDS (aka Plastic Money)Here's the scene: You've made your monthly stop (for the second time this week) at the Mega-Mart Discount Warehouse Super Center for a few essentials -- cashews, soap, licorice, garden hose, peanut clusters, color television, and a large inner tube for whitewater rafting. Do you pay with a check or whip out your Interstate OmniBank Platinum Diamond Express credit card? Credit card? Good choice. You don't actually have to PAY for the stuff that you're buying -- at least not right away. Your bank account is safe.
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Lewis Carroll, the author of Alice in Wonderland, was the pseudonym of Charles Dodgson, an accomplished mathematician and economist.
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"Expect people to be better than they are; it helps them to become better. But don't be disappointed when they're not; it helps them to keep trying." -- Merry Browne, Author
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QR
Quantitative Restriction
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