The appropriate time average of {yit} is? 
, whereTiis:
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.
Answer: C
You might also like to view...
Ann is waiting to be recalled after a layoff. Bill also has no job at the moment and is not searching for one. Who is officially "unemployed"?
A) Ann B) Bill C) Ann and Bill D) neither Ann nor Bill
If the public believes that the commitment to a nominal anchor is not credible, the effect of a positive aggregate demand shock is for ________
A) short-run aggregate supply to shift down B) short-run aggregate supply to remain unchanged C) short-run aggregate supply to shift up D) inflation, but not economic activity, to increase
Internal markets
A) are used to determine a transfer price. B) are common in corporate America. C) are part of a firm's vertical network. D) all of these choices.
Regan grows flowers and makes ceramic vases. Jayson also grows flowers and makes vases, but Regan is better at producing both. In this case, trade could
a. benefit both Jayson and Regan.
b. benefit Jayson, but not Regan.
c. benefit Regan, but not Jayson.
d. benefit neither Jayson nor Regan