中等ECON-FISCA-008
The HKMA uses the Discount Window (Base Rate) as its key policy rate. When the Base Rate increases, the most direct effect on commercial banks is:
A. Their lending rates (Prime/Best Lending Rate) typically increase✓ 答案
B. Their required reserve ratio increases
C. Their capital adequacy ratio decreases
D. Their deposit insurance premium decreases
解說
Base Rate is the rate at which banks can borrow from HKMA via Discount Window. It anchors interbank rates (HIBOR) and banks' Prime/Best Lending Rates, which move in tandem.