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 ?
ISLAMABAD -- Overloading passenger buses plying on various routes of twin cities of Rawalpindi and Islamabad are endanger the lives of commuters, particularly students who can be seen travelling upon the roofs or hanging outside the buses.
Haq Nawaz challaned and fined series of public service vehicles including passenger wagons for overloading and violating the repeated warnings about overloading besides other traffic rules.
An official of National Highway Authority told Monday that assessment of road damages in terms of financial losses caused by overloading is a very complex and non-tangible exercise in presence of multiple causes attributed to failure of pavements in Pakistan like use of substandard construction materials and construction methods, inadequate compaction, improper drainage system, type and condition of vehicles and number of passes of axle load but it is a fact that overloading is one of major cause of road damages.
Under-Secretary of Transport at the Ministry of Works and Transport, Phillip Amunyela said the decriminalization of overloading offences has come at an opportune time.
DRIVERS are being warned to watch their loads after a motorist was fined for overloading his van.
Ras Al Khaimah: Overloading of trucks and alleged modifications owners make to trucks to carry heavier loads have been a major headache to the traffic and licensing authorities, a senior official has said.
A WITTON firm has been accused of putting road users at risk by overloading a truck with metal components.
Noting that multiple births are overloading an already overloaded system, Dr.
This block typifies the overload principle, overloading to the left.
Driver Thomas Arthur Baxter, of Morton, Merseyside, and Wallasey employers Falmex Ltd, both in Wirral, deny overloading the vehicle and using it when the brakes weren't in good order.
This article will address these frequently asked questions, as well as the most common mistake made in on-premise laundries: the overloading of machines.
Vacuum pump back pressure also causes pump overloading, typically when the vacuum pump operates with a discharge pressure of greater than 1 psig.