西方经济学者中积极的财政货币政策的提倡者把经济看成是内在的不稳定的,并认为政策能管理总需求,以便抵消经济内在的不稳定性。对积极的财政货币政策的批评者则强调政策影响经济具有滞后性,而人们预测未来经济状况的能力却是相当低的。因 Proponents of positive fiscal and monetary policies in Western economists see the economy as inherently unstable and believe that policies govern aggregate demand in order to offset the inherent economic instability. Critics of aggressive fiscal and monetary policies emphasize the lag of policies affecting the economy, while people’s ability to predict future economic conditions is rather low. because