{"title":"Transaction costs, frequent trading, and stock prices","authors":"Sergey Isaenko","doi":"10.1016/j.finmar.2022.100775","DOIUrl":null,"url":null,"abstract":"<div><p>I consider the effects of quadratic transaction costs on stock prices. It is optimal for investors to trade frequently with relatively small amounts in the presence of such costs. Contrary to previous papers that report that the strongest effects that transaction costs can have on the risk premium are of the order of a few percent, I find that the effects could be of the order of tens of percent conditioned that investors are sufficiently heterogeneous. Frequent trading in the presence of transaction costs substantially changes heterogeneity in demands across investors, resulting in a significant liquidity premium.</p></div>","PeriodicalId":47899,"journal":{"name":"Journal of Financial Markets","volume":"64 ","pages":"Article 100775"},"PeriodicalIF":2.1000,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Financial Markets","FirstCategoryId":"96","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1386418122000647","RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"BUSINESS, FINANCE","Score":null,"Total":0}
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Abstract
I consider the effects of quadratic transaction costs on stock prices. It is optimal for investors to trade frequently with relatively small amounts in the presence of such costs. Contrary to previous papers that report that the strongest effects that transaction costs can have on the risk premium are of the order of a few percent, I find that the effects could be of the order of tens of percent conditioned that investors are sufficiently heterogeneous. Frequent trading in the presence of transaction costs substantially changes heterogeneity in demands across investors, resulting in a significant liquidity premium.
期刊介绍：
The Journal of Financial Markets publishes high quality original research on applied and theoretical issues related to securities trading and pricing. Area of coverage includes the analysis and design of trading mechanisms, optimal order placement strategies, the role of information in securities markets, financial intermediation as it relates to securities investments - for example, the structure of brokerage and mutual fund industries, and analyses of short and long run horizon price behaviour. The journal strives to maintain a balance between theoretical and empirical work, and aims to provide prompt and constructive reviews to paper submitters.
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