摘要新冠疫情对我国居民的生产生活、企业的生存发展、国际间的贸易往来等各个方面都造成了极大的破坏，也对我国区域经济产生了巨大的影响。这篇文章选择了三个长江中游的省会城市，分别是长沙、南昌以及武汉，接着对于以上城市的经济进展进行主成分分析，确定了两个最能说明区域经济的数据，构建了长江中游地区经济发展指数。选择这三个城市2019年、2020年第一季度以及2020年这三个阶段展开了比较，比较探讨了新冠肺炎对于长江中游地方的经济发展之间的作用。分析数据显示，在疫情刚刚爆发时，长江中游地区整个区域的经济发展遭到了沉重的打击。国家为了控制新冠肺炎的发展，采取了一系列的举措，其逐渐完善，让疫情可以快速被遏制发展，并且让工作以及生产等慢慢复苏，正常营业，与此同时城市的经济发展指数也以肉眼可见的增长速度增长。最终，关于长江中游地方疫情防控常态化阶段经济发展方面的问题，作出了与其对应的策略以及意见。【关键词】新冠疫情；长江中游城市群经济；区域经济发展1AbstractCOVID-19hascausedgreatdamagetotheproductionandlifeofourresidents,thesurvivalanddevelopmentofenterprises,internationaltradeandotheraspects,andhasalsohadahugeimpactonChina'sregionaleconomy.ThispaperselectsWuhan,ChangshaandNanchang,thethreeprovincialcapitalsoftheurbanagglomerationinthemiddlereachesoftheYangtzeRiver,makesprincipalcomponentanalysisontheeconomicdevelopmentofthesecities,determinestwodatathatcanbestexplaintheregionaleconomy,andconstructstheeconomicdevelopmentindexofthemiddlereachesoftheYangtzeRiver.Novelcoronaviruspneumoniawasusedtocomparethedataofthethreecityin2019and2020inthefirstquarterand2020.Theresultsshowedthatatthebeginningoftheoutbreak,theoverallregionaleconomicdevelopmentinthemiddlereachesoftheYangtzeRiverwasseriouslyhit.Novelcoronaviruspneumoniaisbeingrapidlycontrolledbythestate.Theepidemicsituationhasbeenrapidlycontrolled,andtheworkandproductionhavebeenrestoredorderly,andthecity'seconomicdevelopmentindexhasshownamarkedupwardtrend.Finally,thecorrespondingcountermeasuresandsuggestionsareputforwardfortheeconomicdevelopmentofthemiddlereachesoftheYangtzeRiverinthenormalizationstageofepidemicpreventionandcontrol.【Keywords】COVID-19;EconomicdevelopmentofurbanagglomerationsinthemiddlereachesoftheYangtzeRiver;Regionaleconomicdevelopment2目录1.绪论................................................................11.1研究背景..............................................................................11.2研究目的和意义.....................................................................21.2.1研究目的...........................................................................21.2.2研究意义...........................................................................22.文献综述及理论基础..............................................22.1国内外研究文献综述..............................................................22.1.1国外研究文献综述..............................................................22.1.2国内研究文献综述..............................................................42.1.3文献综述评述....................................................................43研究方法和数据来源...............................................53.1研究方法介绍........................................................................53.2主成分分析的基本思想...........................................................63.3数据来源..............................................................................64实证分析与研究.................................................
