A.所得稅 B.政府轉(zhuǎn)移支付 C.農(nóng)產(chǎn)品補貼制度 D.公債
A.規(guī)模收益遞增 B.規(guī)模收益不變 C.規(guī)模收益遞減 D.規(guī)模經(jīng)濟