A type of game wherein one player can gain only at the expense of another player.
A checking account in which zero balance is maintained by transfers of funds from a master account in an amount only large enough to cover checks presented.
Statistical measure that quantifies the distance (measured in standard deviations) a data point is from the mean of a data set. Separately, z score is the output from a credit-strength test that gauges the likelihood of bankruptcy.
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Also known as an accrual bond or accretion bond; a bond on which interest accretes interest but is not paid currently to the i nvestor but rather is accrued, with accrual added to the principal balance of the Z and becoming payable upon satisfaction of all prior bond classes.