Combined with the theory of multiple disciplines,this paper provide a model-the Attraction of Economic Target model-to analyze economic growth.The attraction of economic target depends on four factors, a positive target and its clarity,the credibility of government,execution ability of the public,the distance be-tween the economic target and reality,the credibility of government and execution ability of the public are the key variables that varies in a certain interval.The production function including the attraction of target is the augmented Romer model when the attraction of target equals 0,thus it has all of the advantages of the endog-enous growth model,and can overcome the faults of the endogenous growth model in which the institutional factors and people’s subjective initiative are ignored,and the fault of institutional economics in which used a motion to explain another motion,and provides a small “engine”to explain the phenomenon of “acceleration”in economic growth.%结合多学科相关理论建立经济目标吸引力增长模型，经济目标吸引力主要取决于四个因素，即经济目标的正向与清晰程度、政府公信力、公众执行力、经济目标与现实的距离，其中政府公信力和公众执行力为核心的区间可变因素。在经济目标吸引力为0的特殊情况下，纳入经济目标吸引力的增长模型即拓展的罗默模型，因而其既继承了内生增长模型的优点，又克服了内生增长模型未曾考虑制度因素和人的主观能动性以及制度经济学以运动解释运动的缺点，并为经济发展提供了一个微型“引擎”，以解释经济增长中的“加速”现象。
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