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新冠肺炎疫情与“烟斗形”经济运行模式分析及模型测算——以广东省2020年前三季度经济走势为例 被引量:2

An Analysis of Novel Coronavirus Pneumonia Epidemic and a"Pipe Shape"Economic Operation Mode and Model Calculation--Taking the Economic Opertation in Guangdong Province during the First Three Quarters in 2020 as an Example
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摘要 本文从回顾世界历史重大疫情和各国采取的不同防疫措施入手,提出应警惕疫情初期的“负悲熵”,以广东为例分析疫情下经济运行特征和疫情对前三季度广东经济及各行业增速的影响,认为并非标准的“V”形,而是“烟斗形”转升,在此基础上定性预测疫情对全年GDP增速影响。文章主体部分为疫情对经济走势和产出影响模型预测,首先根据投入产出调查确定的39个部门近5年和疫情发生后的月度统计数据,使用干预分析模型和ARIMA模型,分部门建模得到损失预测值,使用GRNN模型对预测值优化拟合后,计算得到各部门后期直接产出损失率和损失值;接着利用上述建模预测结果,以超过经济系统整体平均损失率为标准,最终计算确定“文化体育和娱乐”等20个受疫情冲击严重部门,“信息传输软件和信息技术服务”等11个部门受疫情冲击影响较轻;最后使用动态IIM模型测算全部受到疫情冲击损失部门下半年对整个经济系统产生的关联间接产出损失率和损失值。模型测算结果显示,本次疫情冲击影响面广程度深,疫情对各个部门的影响程度不一,一些部门后期还可能受到关联间接损失。通过定性分析和模型定量测算结论,最后提出应注重研判全球疫情走势,充分利用国际国内双循环,加强重点行业生产经营监测,对受疫情冲击影响严重行业加大政策纾困力度等政策建议。 This paper reviews the major epidemic situation in the world history and the different epidemic prevention measures adopted by various countries.Taking Guangdong Province as an example,this paper proposes that we should be alert to the“negative entropy”at the early stage of the epidemic.By analyzing the characteristics of economic operation under the epidemic situation,it shows that the trend is not a standard“V”shape,but a“pipe shape”turning up,so as to evaluate the impact of the epidemic on the annual GDP.Based on the input-output table of Guangdong Province and relevant data,the intervention analysis model and ARIMA model were used to quantitatively measure the impact of the epidemic situation on various departments and put forward corresponding policy suggestions.
作者 杨新洪 YANG Xinhong(不详)
机构地区 广东省统计局
出处 《深圳社会科学》 2021年第1期18-39,共22页 Social Sciences in Shenzhen
关键词 新冠肺炎疫情 烟斗形经济运行模式 ARIMA模型 干预分析模型 novel coronavirus pneumonia "pipe shape"economic operation mode ARIMA model intervention analysis model
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