Economics for Today 7th Edition by Irvin Tucker

تمرين 8

If the marginal propensity to consume (MPC) is 0.90, a $100 billion increase in planned investment expenditure, other things being equal, will cause an increase in equilibrium output of
A) $90 billion.
B) $100 billion.
C) $900 billion.
D) $1,000 billion.