# Variable

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Related to dichotomous variable: discrete variable, Dummy variable, Continuous variable

## 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 ?
A dichotomous variable was created to indicate whether the youth experienced difficulty with transportation; it was coded 1 if the participant reported that transportation was "very difficult" or "somewhat difficult" and 0 if he or she reported that transportation was "somewhat easy" or "very easy.
Safety practices: Two dichotomous variables (car seat/seatbelt use and childproofing the home) were created to characterize caregivers' behavior in relation to their children's safety.
Although birthplace dichotomous variables are useful in accounting for variations in the data, they generally lack behavioral interpretation.
In the dichotomous variable "Marital Status," the value 1 was assigned to single students and 0 to the married ones, as well as those who have a marriage-like relationship or those who are divorced or widowed.
In the extended model, we use variable X to denote each of the three dichotomous variables defined above to capture bequest motives, financial literacy, and program awareness.
Because continuous and dichotomous variables inherently have different distributions, the true range of the point-biserial correlation only approaches [+ or -] 1 (cf.
Radical tactics is a dichotomous variable with 1 = involving disruption of ongoing activities, strike actions, slow driving, hunger strike, or burning or destroying of objects, and 0 = not involving any of the above.
In the first model, as mentioned above, the dependent variable is a dichotomous variable that takes value 1 when the individual considers likely to buy fakes during 2013 and takes value 0 otherwise.
We developed a dichotomous variable assigning the value of 1 if students answered yes and 0 if they answered no.
Thus, we included dichotomous variables for child's self- identified race.

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