{"title":"Systemic risk in the consumer credit network across financial institutions","authors":"Hosung Jung, Hyun Hak Kim","doi":"10.1080/13547860.2022.2096281","DOIUrl":null,"url":null,"abstract":"<p><b>Abstract</b></p><p>This study investigated a network of financial institutions in Korea using the Korea Consumer Credit Panel (KCCP). It is assumed that each consumer borrows from multiple institutions, so those institutions share risks from the same consumers regardless of the quality or type of loan. We constructed a financial network comprising those institutions and computed a contagion index based on their interconnections using a weight of probability of default for the individual borrowers. We found strong connection between banking institutions and credit card firms because of the convenience of making small loans using credit cards. However, with a weighted probability of default to the linkages among institutions, the connections between banking institutions and savings banks, non-credit card finance corporations and merchant banks are stronger than others, while banking institutions hold a central position and are exposed to the largest amount of loans individually. The contagion index hit a peak in 2013Q1 and then fell rapidly, before fluctuating at a relatively low level from 2016 to 2017Q2. The results enabled authorities to monitor systemic risk from the level of consumer credit, while accounting for specific types of consumers and their probability of default. This paper’s main contribution is its construction of a network of financial institutions from the level of consumer credit.</p>","PeriodicalId":46618,"journal":{"name":"Journal of the Asia Pacific Economy","volume":"83 3","pages":""},"PeriodicalIF":1.4000,"publicationDate":"2022-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of the Asia Pacific Economy","FirstCategoryId":"96","ListUrlMain":"https://doi.org/10.1080/13547860.2022.2096281","RegionNum":4,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ECONOMICS","Score":null,"Total":0}
引用次数: 0
Abstract
This study investigated a network of financial institutions in Korea using the Korea Consumer Credit Panel (KCCP). It is assumed that each consumer borrows from multiple institutions, so those institutions share risks from the same consumers regardless of the quality or type of loan. We constructed a financial network comprising those institutions and computed a contagion index based on their interconnections using a weight of probability of default for the individual borrowers. We found strong connection between banking institutions and credit card firms because of the convenience of making small loans using credit cards. However, with a weighted probability of default to the linkages among institutions, the connections between banking institutions and savings banks, non-credit card finance corporations and merchant banks are stronger than others, while banking institutions hold a central position and are exposed to the largest amount of loans individually. The contagion index hit a peak in 2013Q1 and then fell rapidly, before fluctuating at a relatively low level from 2016 to 2017Q2. The results enabled authorities to monitor systemic risk from the level of consumer credit, while accounting for specific types of consumers and their probability of default. This paper’s main contribution is its construction of a network of financial institutions from the level of consumer credit.
期刊介绍：
Journal of the Asia Pacific Economy (JAPE) is concerned primarily with the developing economies within Pacific Asia and South Asia. It aims to promote greater understanding of the complex factors that have influenced and continue to shape the transformation of the diverse economies in this region. Studies on developed countries will be considered only if they have implications for the developing countries in the region. The journal''s editorial policy is to maintain a sound balance between theoretical and empirical studies. JAPE publishes research papers in economics but also welcomes papers that deal with economic issues using a multi-disciplinary approach. Submissions may range from overviews spanning the region or parts of it, to papers with a detailed focus on particular issues facing individual countries. JAPE has a broad readership, which makes papers concerned with narrow and detailed technical matters inappropriate for inclusion. In addition, papers should not be simply one more application of a formal model or statistical technique used elsewhere. Authors should note that discussion of results must make sense intuitively, and relate to the institutional and historical context of the geographic area analyzed. We particularly ask authors to spell out the practical policy implications of their findings for governments and business. In addition to articles, JAPE publishes short notes, comments and book reviews. From time to time, it also publishes special issues on matters of great importance to economies in the Asia Pacific area.
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