If two variables, X, and are said to be cointegrated, which of the following statements are true? X, andmust both be stationary. Only one linear combination of X, and X, will be stationary i) ii) ii) The cointegrating equation for X, andrdescribes the short-run relationship between the two series. iv) The residuals of a regression of on X, must be stationary. a) (ii) and (iv) only b) (i) and (iii) only c) (i), (ii) and (ii) only d) (i),(ii),(iii) and (iv)

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If two variables, X, and are said to be cointegrated, which of the following statements
are true?
i)
X, and must both be stationary.
ii)
Only one linear combination of X, and X, will be stationary
ii)
The cointegrating equation for X, and' describes the short-run relationship
between the two series.
iv)
The residuals of a regression of" on X, must be stationary.
a) (ii) and (iv) only
b) (i) and (iii) only
c) (i), (ii) and (iii) only
d) (i).(ii),(iii) and (iv)
Transcribed Image Text:If two variables, X, and are said to be cointegrated, which of the following statements are true? i) X, and must both be stationary. ii) Only one linear combination of X, and X, will be stationary ii) The cointegrating equation for X, and' describes the short-run relationship between the two series. iv) The residuals of a regression of" on X, must be stationary. a) (ii) and (iv) only b) (i) and (iii) only c) (i), (ii) and (iii) only d) (i).(ii),(iii) and (iv)
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