基本解釋[經(jīng)濟(jì)學(xué)]本期外生變量計(jì)算期外生變量現(xiàn)期外生變量專業(yè)釋義經(jīng)濟(jì)學(xué)本期外生變量計(jì)算期外生變量現(xiàn)期外生變量