Time is fixed and the learning is variable, when what we need is a system that makes time variable so that the learning can be fixed.

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Morgan can do complex calculations that were prohibitively expensive and time-consuming, such as running a trade through scenarios for both interest rate fluctuation and market volatility, rather than looking at just one variable at a time.

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We are able to do only a number of days out at a time because the winds are so variable this time of year.

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Also, mortgages have a duration (a calculation of the time it takes to get paid back) that is a variable, hypothetical duration that varies with prepayment speeds, so a short duration mortgage portfolio is not protection against a sudden increase in interest rates, because if interest rates rise the duration will rise which hurts the value of the bond.

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Even worse, when OPERA ran their experiment for a second time, they only changed one variable, and did not try to address other important criticisms of the initial methodology from both outside and inside the OPERA Collaborative.

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Any time government tries to force one variable within a free market to a certain value or to move in a certain direction, it destabilizes every other variable.

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Coke machines may soon offer variable pricing for a can of pop, based on the time of day, temperature and the historical demand curve.

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The PVF allows the investor to receive an up-front payment (typically, 75-85% market value) in exchange for delivery of a variable amount of shares or cash in the future, at which time the capital gain is realized for tax purposes and the tax on the capital gain is paid.

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