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基于自主体模拟(agent-based simulation,ABS)的自下向上的建模思想是对传统政策模拟研究中自上向下建模的一个重要补充。在建模理论上,一方面,ABS与经济学结合形成的基于自主体的计算经济学,是政策模拟研究中ABS建模的一个重要理论支撑;另一方面,ABS与计算经济学的传统方法相结合,即可计算一般均衡模型、投入产出模型,从而拓展了微观建模与宏观建模紧密结合的新方法。提出政策模拟研究中ABS建模的基本过程,包括确定研究目标、自主体识别、自主体交互方式识别、模型实现、模型检验验证校准、模型分析。
The bottom-up modeling idea based on agent-based simulation (ABS) is an important complement to the top-down modeling of traditional policy simulation. In the modeling theory, on the one hand, the autonomic-based computational economics formed by the combination of ABS and economics is an important theoretical support for ABS modeling in policy simulation studies. On the other hand, the traditional methods of ABS and computational economics , The general equilibrium model and the input-output model can be calculated, thus expanding the new method of combining micro-modeling with macro-modeling. The basic process of ABS modeling in policy simulation research is proposed, which includes identifying research objectives, identifying self-bodies, recognizing self-interaction, model realization, model verification, calibration and model analysis.