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variable
(redirected from Control variables)

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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
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.
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The control variables in the regressions generally performed as expected in sign, although they were not always statistically significant.
Automobile safety regulation and the incentive to drive recklessly: ... by Sobel, Russell S.; Nesbit, Todd M. / Southern Economic Journal
Students completed questionnaires measuring i) their use of computer games, television, music and books as sleep aids; ii) their average weekday and weekend bedtimes; iii) their levels of tiredness; iv) whether they had a television or computer game console in their bedroom; and v) several demographic control variables.
Nodding off or switching off? The use of popular media as a sleep aid ... by Van den Bulck, J. / Youth Studies Australia
As mentioned, in order to examine how assets and human capital development are related to the economic mobility of single mothers, three regression analyses were conducted for the poor, middle-income, and high-income single mothers, with economic mobility regressed on control variables and then on assets and human capital development variables.
Economic mobility of single mothers: the role of assets and human ... by Zhan, Min / Journal of Sociology & Social Welfare
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