8. Country A is a small open economy. An external shock led to the immediate appreciation of its currency with respect to the United States
pollar. Investor's expectations are not affected.What happens to interest rate in Country A.
(A)Increase
(B)Decrease
(C)Unchanged
(D)Uncertain
5. According to the selection rules in the atomic spectra, which of the following transition is
NOT allowed.
(A) 2P3/2→2S1/2 (B) 2D3/2→2P1/2
,→ 2P1/2 (C) 2D5/2→2P1/2 (D) 2P1/2→2S1/2 (E) 2D5/2→2P3/2