What Is the Difference Between the Dickey-Fuller Tests 1,2,and 3 $\rho$

question 6

Multiple Choice

What is the difference between the Dickey-Fuller Tests 1,2,and 3?

• A)they test for stationarity around zero,stationarity around a constant,and stationarity around a trend line,respectively
• B)they test \(\rho\)<1,\(\rho\)>1,and \(\rho\)=1,respectively
• C)they use t, \( \tau \),and F tests,respectively
• D)they test for integration of orders 1,2 and 3 respectively.

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