-You Are Given the Data in Table 11

Multiple Choice

-You are given the data in Table 11.1,which covers the period 1947-2006."Mean" is the average growth over the period and "St Dev" is the standard deviation of the growth (a measure of volatility) of real output,consumption,investment,government expenditure,and net exports.From this information,you conclude that

A) households smooth their consumption more than other sectors.
B) firms base their decisions on more than the potential GDP.
C) foreigners are fickle consumers.
D) government expenditures are zero.
E) a and b are correct.