中文摘要：

通过扩展BGG模型，我们建立了一个包含中国现实经济摩擦的动态新凯恩斯主义模型。其目的一是对经验事实进行经济理论解释；二是探究使用更为稳健的脉冲响应匹配估计法是否也能够得到我国存在显著金融加速器效应的结论；三是详细考察7个因素对利率冲击的宏观经济效应和模型对经验事实的拟合效果的定性和定量影响。基于中国经济数据的分析结果表明：（1）我们的模型能够较好地拟合和解释SVAR反映的经验事实。（2）我国居民消费中存在显著的中等偏强的消费习惯。（3）我国经济中存在显著的金融加速器效应。

英文摘要：

Abstract： By extending the BGG model, we establish a DNK model with economic frictions in china. The first goal is to get the theoretical explanation of the empirical fact. The second goal is to verify whether the financial accelerator effect is signifi- cant in china by the impulse response match method.The third goal is to explore the effect of several factors on the explanation power of the DNK model and the macroeconomic effect of the interest rate shock. Based on chinese economic data, the results show that： the DNK model can nicely explain the empirical fact revealed by SVAR model.Chinese people＇s consumption is ob- viously affected by their consumption habits, the financial accelerator effect is significant in china.