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INDIVIDUAL RETIREMENT ACCOUNT: A savings retirement account set up with a bank, mutual fund, brokerage firm that allows people to set aside a portion of their income each year. Like other private pension plans, income diverted to an individual retirement account (or IRA) is tax deferred, that is, taxes on not paid on the income until it is withdrawn during retirement.

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KINKED-DEMAND CURVE ANALYSIS

An analysis using the kinked-demand curve to explain rigid prices often found with oligopoly. The kinked-demand curve contains two distinct segments--one for higher prices that is more elastic and one for lower prices that is less elastic. Key to this analysis is that the corresponding marginal revenue curve contains three segments--one associated with the more elastic segment, one associated with the less elastic segment, and one associated with the kink. A profit-maximizing firm can then equate marginal cost to a wide range of marginal revenue values along the vertical segment of the marginal revenue curve. This suggests that marginal cost must change significantly before an oligopolistic firm is inclined to change price.

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Today, you are likely to spend a great deal of time at a flea market wanting to buy either decorative celebrity figurines or a flower arrangement with anything but tulips for your grandfather. Be on the lookout for letters from the Internal Revenue Service.
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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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