Textual classification of SEC comment letters

Ryans, J (2019) Textual classification of SEC comment letters. Review of Accounting Studies. ISSN 1380-6653 (Accepted)

Abstract

This study examines the impact of SEC comment letters on future financial reporting outcomes and earnings credibility. Naive Bayesian classification identifies comment letters associated with future restatements and write-downs. An investor attention-based quantitative measure of importance, using EDGAR downloads, is also predictive of these outcomes. Disclosure-event abnormal returns, revenue recognition comments, and the number of letters in a conversation appear to be useful quantitative metrics for classifying importance in certain settings. This study also documents trends in comment letter topics over time, and identifies topics associated with the textual and quantitative classifications of importance, providing insights into the factors drawing investor attention and which relate to future restatements and write-downs. Innocuous comment letters are associated with improvements in earnings credibility following comment letter reviews.

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Item Type: Article
Subject Areas: Accounting
Additional Information: © 2019 Springer Nature
Subjects: F > Financial reporting
Date Deposited: 11 Nov 2019 13:11
Last Modified: 11 Jan 2020 18:13
URI: http://lbsresearch.london.edu/id/eprint/1268
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