What Should Be the Degrees of Freedom (Df) for Fixed

question 23

Multiple Choice

What should be the degrees of freedom (df) for fixed effects estimation if the data set includes 'N' cross sectional units over 'T' time periods and the regression model has 'k' independent variables?

• A)N-kT
• B)NT-k
• C)NT-N-k
• D)N-T-k

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