A.消費(fèi)者經(jīng)濟(jì) B.需求方規(guī)模經(jīng)濟(jì) C.需求經(jīng)濟(jì) D.效益經(jīng)濟(jì)
A.臨界點(diǎn)是均衡點(diǎn) B.臨界點(diǎn)又可以稱為反轉(zhuǎn)點(diǎn) C.臨界點(diǎn)也就是所說(shuō)的臨界容量 D.要實(shí)現(xiàn)正反饋應(yīng)該達(dá)到臨界點(diǎn)