Macroeconomics 11th Edition by Michael Parkin

تمرين 14

After you have studied Reading Between the Lines on pp. 96-97, answer the following questions.
a. Why does the BEA revise its estimates of GDP?
b. What is the percentage difference between the highest and lowest estimate of real GDP in the second quarter of 2009 trough
c. Describe the changes in the estimates of the peak, trough, recession, and recovery over the most recent business cycle.
d. Why does the growth rate of consumption expenditure have a bigger effect on real GDP growth than the growth rates of investment and net exports