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RISK POOLING: Combining the uncertainty of individuals into a calculable risk for large groups. For example, you may or may not contract the flu this year. However, if you're thrown in with 99,999 other people, then health-care types who spend their lives measuring the odds of an illness, can predict that 1 percent of the group, or 1,000 people, will get the flu. The uncertainty is that they probably don't know which 1,000 people, they only know the number afflicted. This little bit of information is what makes risk pooling possible. If the cost is $50 per illness, then an insurance company can insure your 100,000-member group against flu if they collect $50,000 ($50 x 1,000 sick people), or 50 cents per person. By agreeing to pay the cost of each sick person in exchange for the 50 cent payments, the insurance company has effectively pooled the risk of the group.
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MARGINAL REVENUE PRODUCT The change in total revenue resulting from a unit change in a variable input, keeping all other inputs unchanged. Marginal revenue product, usually abbreviated MRP, is found by dividing the change in total revenue by the change in the variable input or by multiplying marginal physical product by marginal revenue. This is also termed value of the marginal product. Marginal revenue product is a key concept for understanding the demand for productive inputs.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time watching the shopping channel seeking to buy either a birthday greeting card for your mother that doesn't look like a greeting card or a handcrafted spice rack. Be on the lookout for bottles of barbeque sauce that act TOO innocent.
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This isn't me! What am I?
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A U.S. dime has 118 groves around its edge, one fewer than a U.S. quarter.
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"He who truly knows has no occasion to shout. " -- Leonardo da Vinci, painter, sculptor, architect, engineer
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VAR
Vector Autoregression
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