Xin Liu, Xiaoran Ni, Zhigang Qiu, Wang Xiang, Kailun Zhang
{"title":"Like a moth to a flame: Do stock market bubbles exacerbate credit risks of peer‐to‐peer lending?","authors":"Xin Liu, Xiaoran Ni, Zhigang Qiu, Wang Xiang, Kailun Zhang","doi":"10.1111/eufm.12516","DOIUrl":null,"url":null,"abstract":"We establish a causal link between stock market bubbles and credit risks from peer‐to‐peer lending. Employing a fuzzy regression discontinuity design based on retail investors' disproportional increase in stock market participation when the Shanghai Stock Exchange composite index exceeds 3500, we find that both the default rate and the degree of delinquency rise disproportionately for loans borrowed above the 3500 threshold. This effect is more pronounced among loans of lower quality and when borrowers are more overconfident and less risk averse. Overall, our results suggest that FinTech developments could amplify financial risks and induce contagion across markets.","PeriodicalId":501261,"journal":{"name":"European Financial Management ","volume":"2 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"European Financial Management ","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1111/eufm.12516","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
We establish a causal link between stock market bubbles and credit risks from peer‐to‐peer lending. Employing a fuzzy regression discontinuity design based on retail investors' disproportional increase in stock market participation when the Shanghai Stock Exchange composite index exceeds 3500, we find that both the default rate and the degree of delinquency rise disproportionately for loans borrowed above the 3500 threshold. This effect is more pronounced among loans of lower quality and when borrowers are more overconfident and less risk averse. Overall, our results suggest that FinTech developments could amplify financial risks and induce contagion across markets.
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