dummy variable


Also found in: Dictionary, Wikipedia.

dummy variable

[¦dəm·ē ′ver·ē·ə·bəl]
(mathematics)
A variable which has no true mathematical significance and is used only to facilitate notation; usually a variable which is integrated over.
References in periodicals archive ?
2015],: dummy variables that take the value 1 for the observations related to the respective years, and 0 for the other observations; M V: market values of the companies, for this variable the logarithmic scale was used; VOL: share trading volume, for this variable the logarithmic scale was used; Price_Book: ratio between stock price and net equity per share; ROA: return on assets; Ebit_Interest: ratio between earnings before interest and tax (Ebit) and financial expenses; Shareholder_Liquidity: stock market liquidity; Pref_Ord: dummy variable that takes the value 1 for preferred shares and 0 for ordinary shares; sector: company operating sector; [[epsilon].
i] = dummy variable of the year that M&A transaction took place; and
In the empirical analysis, we measure tough love by creating a dummy variable (TL).
Exhibit 2 Explanatory Variables: Definitions and Expected Signs Variable Definition Expected Sign FLOOR the unit's floor level in the building (discrete + variable) GFA the gross floor area of the unit in square feet + (continuous variable) AGE the age of the building concerned (continuous - variable) D1 a dummy variable for a flat facing east; value + equal to 1 if faces east; 0 otherwise D2 a dummy variable for a flat facing south; value + equal to 1 if faces south; 0 otherwise D3 a dummy variable for a flat facing west; value - equal to 1 if faces west; 0 otherwise TIME a dummy variable delineating whether the subject ?
We use RiskMetrics to classify all newly appointed directors into independent and gray (or affiliated) directors and construct a dummy variable that is equal to one for independent directors.
Keywords: Nature-based Tourism, Earnings, Endogenous Dummy Variable, Impact Evaluation, Wetland, Keenjhar Lake, Pakistan
The negative coefficient on the dummy variable for the day after Cantor's defeat indicates that Boeing had an abnormal loss of nearly 2 percentage points following Brat's election.
The coefficient for the Lefty dummy variable is negative as predicted (-.
The estimations of the dynamic panel GMM method provided a negative sign for dummy variables in the first quarter, while in next consequent quarters the coefficient of the dummy variable was found positive.
The generally utilized method to this problem is by using the dummy variable method which is based on a linear regression with 5 dummy variables each representing the respective days of the week.
Hence, we construct our dummy variable labeled EVENT the same way as LV above, but with no window imposed around each crisis.