Which of the following are characteristics of vector autoregressive (VAR) models?
(I) They are typically a-theoretical and data driven
(ii) they can easily lead to overfitting
(iii) all variables on the right hand side of the equation are pre-determined
(iv) their interpretation is often difficult from a theoretical perspective
A) (i), (ii), (iii) and (iv)
B) (i), (ii), and (iv) only
C) (i) and (ii) only
D) (i) and (iv) only For questions 2 and 3, consider the following set of simultaneous equations: Assume that the Y's are endogenous and the X's exogenous variables, and that the error terms are uncorrelated.

Question

Which of the following are characteristics of vector autoregressive (VAR) models?
(I) They are typically a-theoretical and data driven
(ii) they can easily lead to overfitting
(iii) all variables on the right hand side of the equation are pre-determined
(iv) their interpretation is often difficult from a theoretical perspective
A) (i), (ii), (iii) and (iv) 
B) (i), (ii), and (iv) only 
C) (i) and (ii) only 
D) (i) and (iv) only For questions 2 and 3, consider the following set of simultaneous equations: Assume that the Y's are endogenous and the X's exogenous variables, and that the error terms are uncorrelated.

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The Answer of Which of the following are characteristics of vector autoregressive (VAR) models?
(I) They are typically a-theoretical and data driven
(ii) they can easily lead to overfitting
(iii) all variables on the right hand side of the equation are pre-determined
(iv) their interpretation is often difficult from a theoretical perspective
A) (i), (ii), (iii) and (iv) 
B) (i), (ii), and (iv) only 
C) (i) and (ii) only 
D) (i) and (iv) only For questions 2 and 3, consider the following set of simultaneous equations: Assume that the Y's are endogenous and the X's exogenous variables, and that the error terms are uncorrelated.

Which of the Following Are Characteristics of Vector Autoregressive (VAR)