Variable

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Variable

An element in a model. For example, in the model RS&Pt+1 = a + b Tbill t + et, where RS&Pt+1 is the return on the S&P in month t+1 and Tbill is the Tbill return at month t, both RS&P and Tbill are "variables" because they change through time; i.e., they are not constant.

Variable

Anything that does not have a set value. In basic algebra, a variable is often expressed as "x." Variables in economics and finance may be measures such as GDP, prices, or interest rates. Analysts use complicated equations to determine the value of some variables at the present time and even more complicated equations to predict their possible future values. See also: Regression.

variable

Something, such as stock prices, earnings, dividend payments, interest rates, and gross domestic product, that has no fixed quantitative value. See also dependent variable, independent variable.
References in periodicals archive ?
Campaign, he said, has been launched through print and electronic media to create awareness among the travelers as well as general public for discouraging them the tendency of overloading being done regularly.
Student t-test was applied on the means of iron serum concentrations in normal and iron overloaded rabbits after iron overloading for 5 weeks.
Mrs Watkins said the firm had previously been fined pounds 400 for an overloading offence.
The inquiry was told that Onyx had since put in procedures to cut down on overloading, improve vehicle maintenance and make drivers better aware of their responsibilities.
Mr Rawson said the council's new fleet of refuse wagons, replacing the old vehicles, which were "stuck together with Super Glue", had in-cab devices to warn their operators of overloading.
This was stated by National Highways and Motorway Police (NH and MP) DIG Faran Baig while reviewing the pace of progress of the drive against overloading here on Sunday.
Kung makikta mo, dahil ito sa sobra sobra nang dami ng pasahero [or] overloading (if you will see, this is because of overloading)," he said, noting that overloading has affected the frequency of maintenance work in MRT's facilities.
Apart from being the main cause of road damage, overloading should be discouraged at all costs as it removes fair competition within the industry.
Mr Green said the agency had previously prohibited the firm's trucks from being used because of overloading.
Officers hope the crackdown on overloading will lead to an improvement in the safety of Rugby roads.
The units were in the process of "ramping up" output, when demand outpaced their ability to generate and keep Path 26 from overloading.
Special squad set up by RTA Rawalpindi Khalid Yamin conducted raids in different areas of Rawalpindi and checked over 450 vehicles and impounded 17 vehicles for overloading .