Multiple Choice
The appropriate time average of {yit} is 
, where Ti is:
A) the dummy variable, which equals one when a complete set of data is observed.
B) the total number of time periods for cross-sectional observation i.
C) the total number of complete time periods for cross-sectional observation i.
D) the explanatory variable for cross-sectional observation i.
Correct Answer:
Verified
Correct Answer:
Verified
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