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投入产出价格影响模型考察了部分产品价格的变动,而引起其他产品价格或整体物价水平的变动程度。多年来,学者们设计了很多扩展的价格影响模型,并仍在不断改进。但是绝大部分改进模型仍被困于不存在价格传导影响的假设之下,即所谓的价格传导阻滞。通过本研究的分析,发现价格传导是否顺畅对价格变动的影响具有相当大的差异。因此,对于价格传导条件的修正就显得至关重要。基于此,本文依据价格粘性理论,特别吸取了费希尔模型的特点,针对现有模型的价格传导机制等方面进行了有效改进,并使其更加符合实际情况。最后,本文利用中国1992年至2007年的实际数据对改进后的价格影响模型进行实证分析,考察了在价格粘性情况下某产业部门产品价格的变动对整个中国经济的短期影响情况。
The input-output price impact model examines the changes in the prices of some products, which lead to changes in the price of other products or the overall price level. Over the years, scholars have designed many extended price impact models and are still evolving. But most of the improved models are still stuck with the assumption that there is no effect of price transmission, the so-called price block. Through the analysis of this study, we found that there is a considerable difference between the effects of price changes on the smoothness of price transmission. Therefore, the correction of price conduction is crucial. Based on this, based on the theory of price stickiness, this paper especially absorbs the characteristics of the Fisher model, improves the price transmission mechanism of the existing model, and makes it more in line with the actual situation. Finally, this paper uses the actual data of China from 1992 to 2007 to make an empirical analysis of the improved model of price impact, examines the short-term impact of the price changes of a certain industry sector on the entire Chinese economy in the case of price sticky.