本文试图将现代经济体制与宏观经济分析结合起来,展现封闭状态下宏观经济运行的机理。作者揉合微观经济学、凯恩斯理论、新古典综合派、货币主义、理性预期及供给学派的一些重要观念及方法,以一国经济的商品市场、货币市场、债券市场、股票市场的同时均衡为契机,提出了一个新的模型。 This article attempts to combine the modern economic system with the macroeconomic analysis to show the macroeconomic mechanism under a closed situation. The author combines some important concepts and methods of microeconomics, Keynesian theory, neoclassical synthesis, monetarism, rational expectation and supply school, with the simultaneous equilibrium of commodity market, money market, bond market and stock market of a country’s economy as Opportunity, put forward a new model.