【CFRI佳作分享】公司债券市场中的交易价格聚类 发布时间:2022-06-05

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文章介绍

交易价格或申报价格倾向于更多地落在某些价格点上, 而不是在所有价格点上均匀分布的现象称为价格集聚(Price Clustering)。该现象在各类金融市场中普遍存在,但过往文献对其的研究多集中于股票市场和市政债券市场中,而未见在公司债券市场中的研究。本文创新性地对公司债券市场中的价格集聚效应进行了研究,通过对2014年TRACE数据库中的800多万份债券交易样本的研究,发现公司债券市场中存在价格集聚,并且集聚价格可事前预测。 信息成本、经销商价格歧视、谈判减少是产生价格集聚的三大原因,而在公司债券市场中,手握巨大信息优势的机构投资者广泛存在,其作为经销商市场的非流动性也增加了信息不对称性和经销商权力,对买家产生了搜索成本和谈判成本。因此,在该市场中研究价格集聚非常具有价值。 本研究发现,债券评级类别和风险(以价格的标准差测量)均影响价格集聚。出现价格集聚现象的大部分为投机性级别的债券。产生价格集聚现象的债券息票率更高、价格更高、价格的标准差更大。与客户进行的交易商交易比交易商间交易更容易引起价格集聚。交易商从机构买卖时似乎使用集聚价格,可能是为了降低信息不对称给自身带来的风险。零售交易商出售交易中,价格集聚非常普遍,这现象表明交易商很可能对零售买家施加权力。债券定价往往基于到期收益率、息票率等,因此按常理来看,价格聚集不应该发生。这使得本文的发现更加具有意义。

作者简介

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Michael  A. Goldstein

巴布森学院(Babson College)金融学教授、Donald P. Babson应用投资主席、新南威尔士大学(Univeristy ofNew South Wales)气候变化研究中心(Climate Change Research Center)客座教授研究员。The Financial Review主编、美国气象学会期刊Weather, Climate and Society主编、Journal of Financial Markets副主编、Finance Research Letters副主编。曾任 FinancialManagement副主编。曾在诸多知名金融学术期刊上发表论文,包括The Journal of Finance, The Journal of Financial Economics等。他的研究领域包括:气候变化、股息、房地产投资、股市、市场结构和交易成本。CFRI期刊副主编,本文通讯作者,邮箱: goldstein@babson.edu

原文链接:https://doi.org/10.1108/CFRI-02-2022-0013

下载全文:10-1108_CFRI-02-2022-0013.pdf

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