一、继续实施积极财政政策的必要性在上世纪５０年代，马斯格雷夫和罗斯托在他们创立的经济成长阶段论中认为，在一国的经济发展过程中，无论是早期还是中期，都存在着市场缺陷，阻碍经济的成熟，需要政府加强对经济的干预，政府投资在总投资中应占有较高的比重。马斯格雷夫和 I. The Necessity of Continuing the Implementation of a Positive Financial Policy In the 1950s, Musgrave and Rostow, in their theory of the stage of economic growth, held that in a country’s economic development, both in the early and middle stages There are market imperfections, hindering economic maturity, and requiring the government to step up its intervention in the economy. Government investment should have a high proportion of the total investment. Musgrave and