99#39
suppose in a bank in Hong Kong, Mary withdraw $3000 from her savings account and transfer it into US dollar in cash, what will be the effect to the money supply?
A. M1 increase while M2 remains unchanged
B. M1 remains unchanged wjile M3 decreases
C.Both M1 and M3 remains unchanged
D. Both M1 and M2 decrease
answer is A, 但係,US dollar 唔係都算係HK's money supply 咩?咁唔係應該M1 increases, M2 & M3因withdraw 左而decrease 咩?