A.sf(k)+nk B.nk-sf(k) C.nk+sf(k) D.sf(k)-nk
A.價格和產(chǎn)出水平都上升 B.價格和產(chǎn)出水平都下降 C.價格水平上升,產(chǎn)出水平下降 D.價格水平下降,產(chǎn)出水平上升
A.2.6% B.3.5% C.5.5% D.38.9%