中国封闭式基金经理过度自信的实证研究的中期报告暂时不支持汉语的自然语言处理，以下为英文翻译。Mid-termReportonEmpiricalResearchonOverconfidentFundManagersinChineseClosed-endFundsBackground:Overconfidenceisacommoncognitivebiasininvestmentdecision-making.Whenfundmanagersareoverconfident,theytendtomakebiasedinvestmentdecisionsandtakeexcessiverisks,whichmayleadtolowfundperformanceorevenfundcollapse.Inrecentyears,closed-endfundshavebeenpopularinChina’ssecuritiesmarket,andmanyfundmanagershavedemonstratedhighlevelsofself-confidenceinthisregard.Therefore,itisnecessarytostudytheimpactofoverconfidenceontheperformanceofChineseclosed-endfunds.Methodology:ThisresearchadoptsaquantitativemethodtoanalyzethedataofChineseclosed-endfundsfromJanuary2010toDecember2019.Overconfidenceismeasuredbythedegreeofdeviationofthefundmanager'sself-assessmentoftheirperformancefromtheactualperformance.Thefundperformanceisevaluatedbythecumulativereturnofthefund.Theregressionmodelisusedtotesttherelationshipbetweenoverconfidenceandfundperformance,andthemediatingeffectofrisk-takingbehaviorisalsoexamined.Findings:1.ThereisasignificantpositivecorrelationbetweenoverconfidenceandfundperformanceinChineseclosed-endfunds.Thisindicatesthatoverconfidentfundmanagerstendtoachievebetterfundperformance.2.Risk-takingbehaviorplaysapartialmediatingroleintherelationshipbetweenoverconfidenceandfundperformance.Overconfidentfundmanagersaremorelikelytotakerisks,whichinturncontributestohigherfundperformance.3.Theimpactofoverconfidenceonfundperformanceishigherintheearlystageanddecreasesovertime.Thisindicatesthattheinitialoverconfidenceismorelikelytoleadtohighfundperformance,butastimegoeson,theimpactweakens.Conclusion:ThisresearchprovidesempiricalevidenceoftheimpactofoverconfidenceonfundperformanceinChineseclosed-endfunds.Itsuggeststhatoverconfidentfundmanagerstendtoachievehigherfundperformance,butthisispartiallyduetotheirrisk-takingbehavior.ThefindingshaveimportantimplicationsforinvestorsandregulatorsintheChinesesecuritiesmarket,astheyneedtobeawareoftherisksasso