(Requires Calculus) in the Multiple Regression Model You Estimate the Effect

question 7

Multiple Choice

(Requires Calculus) In the multiple regression model you estimate the effect on $Y _ { i }$ of a unit change in one of the $X _ { i }$ while holding all other regressors constant. This

• A) makes little sense, because in the real world all other variables change.
• B) corresponds to the economic principle of mutatis mutandis.
• C) leaves the formula for the coefficient in the single explanatory variable case unaffected.
• D) corresponds to taking a partial derivative in mathematics.

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