Multiple Choice
Adding a time trend can make an explanatory variable more significant if:
A) the dependent and independent variables have similar kinds of trends, but movement in the independent variable about its trend line causes movement in the dependent variable away from its trend line.
B) the dependent and independent variables have similar kinds of trends and movement in the independent variable about its trend line causes movement in the dependent variable towards its trend line.
C) the dependent and independent variables have different kinds of trends and movement in the independent variable about its trend line causes movement in the dependent variable towards its trend line.
D) the dependent and independent variables have different kinds of trends, but movement in the independent variable about its trend line causes movement in the dependent variable away from its trend line.
Correct Answer:

Verified
Correct Answer:
Verified
Q5: Which of the following correctly identifies a
Q6: If an explanatory variable is strictly exogenous
Q7: Which of the following is an assumption
Q8: The propensity δ<sub>0</sub> + δ<sub>1</sub>+ … +
Q9: When a series has the same average
Q11: Time series regression is based on series
Q12: A static model is postulated when:<br>A)a change
Q13: With base year 1990, the index of
Q14: Which of the following rules out perfect
Q15: A seasonally adjusted series is one which:<br>A)has