本文简述了当前国内政府部门通过政府投资撬动社会投资的四种典型模式,建立起政府投资回报的理论模型,并逐一分析各种模式的投资回报效率,对政府部门的投融资选择具有一定参考价值。 This article briefly describes the four typical models of the current domestic government departments leveraging social investment through government investment and establishes a theoretical model of the return on investment of the government. It also analyzes the efficiency of return on investment (ROI) of various modes one after another, Reference value.