Assume that initially G is $100 and equilibrium real GDP demanded is $1000.
if the multiplier is 4 and G increases to $100, real GDP demanded will
increase:
(a) by $100
(b) by $2000
(c) by $1000
(d) by $1400
(e) by $2000
答案是(D)
这题感觉(?)是简单的 不过怎么想都没头绪@@
麻烦大家了!