The concept of exogeneity is important because
A) it clarifies whether or not the variable is determined inside or outside your model.
B) maximum likelihood estimation is no longer valid.
C) under strict exogeneity, OLS may not be efficient as an estimator of dynamic causal effects.
D) endogenous variables are not stationary, but exogenous variables are.
Correct Answer:
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Q7: A seasonal binary (or indicator or dummy)variable,
Q8: Heteroskedasticity- and autocorrelation-consistent standard errors
A)result in the
Q9: The 95% confidence interval for the dynamic
Q10: To convey information about the dynamic multipliers
Q11: GLS involves
A)writing the model in differences and
Q13: The Cochrane-Orcutt iterative method is
A)a special case
Q14: Quasi differences in Yt are defined as
A)Yt
Q15: In time series, the definition of causal
Q16: Sensitivity analysis of the results may include
Q17: The distributed lag model is given by
A)Yt
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