Sentiment Analysis of German Texts in Finance: Improving and Testing the BPW Dictionary

Using the dictionary-based approach to measure the sentiment of finance-related texts is primarily focused on English-speaking content. This is due to the need for domain-specific dictionaries and the primary availability of those in English. Through the contribution of Bannier et al. (2019b), th...

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Main Author: Matthias Pöferlein
Format: Article
Language:English
Published: University of Warsaw 2021-12-01
Series:Journal of Banking and Financial Economics
Subjects:
Online Access:https://press.wz.uw.edu.pl/cgi/viewcontent.cgi?article=1021&context=jbfe
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author Matthias Pöferlein
author_facet Matthias Pöferlein
author_sort Matthias Pöferlein
collection DOAJ
description Using the dictionary-based approach to measure the sentiment of finance-related texts is primarily focused on English-speaking content. This is due to the need for domain-specific dictionaries and the primary availability of those in English. Through the contribution of Bannier et al. (2019b), the first finance-related dictionary is available for the German language. Because of the novelty of this dictionary, this paper proposes several reforms and extensions of the original word lists. Additionally, I tested multiple measurements of sentiment. I show that using the edited and extended dictionary to calculate a relative measurement of sentiment, central assumptions regarding textual analysis can be fulfilled and more significant relations between the sentiment of a speech by a CEO at the Annual General Meeting and subsequent abnormal stock returns can be calculated.
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spelling doaj-art-fc6021cf377d4bddbc9bbf468a49eb0b2025-01-03T00:36:14ZengUniversity of WarsawJournal of Banking and Financial Economics2353-68452021-12-0120212(16)52410.7172/2353-6845.jbfe.2021.2.1Sentiment Analysis of German Texts in Finance: Improving and Testing the BPW DictionaryMatthias Pöferlein0https://orcid.org/0000-0002-8967-6087University of Bayreuth, GermanyUsing the dictionary-based approach to measure the sentiment of finance-related texts is primarily focused on English-speaking content. This is due to the need for domain-specific dictionaries and the primary availability of those in English. Through the contribution of Bannier et al. (2019b), the first finance-related dictionary is available for the German language. Because of the novelty of this dictionary, this paper proposes several reforms and extensions of the original word lists. Additionally, I tested multiple measurements of sentiment. I show that using the edited and extended dictionary to calculate a relative measurement of sentiment, central assumptions regarding textual analysis can be fulfilled and more significant relations between the sentiment of a speech by a CEO at the Annual General Meeting and subsequent abnormal stock returns can be calculated.https://press.wz.uw.edu.pl/cgi/viewcontent.cgi?article=1021&context=jbfetextual analysistextual sentimentsentiment analysiscontent analysisannual general meetingceo speeches
spellingShingle Matthias Pöferlein
Sentiment Analysis of German Texts in Finance: Improving and Testing the BPW Dictionary
Journal of Banking and Financial Economics
textual analysis
textual sentiment
sentiment analysis
content analysis
annual general meeting
ceo speeches
title Sentiment Analysis of German Texts in Finance: Improving and Testing the BPW Dictionary
title_full Sentiment Analysis of German Texts in Finance: Improving and Testing the BPW Dictionary
title_fullStr Sentiment Analysis of German Texts in Finance: Improving and Testing the BPW Dictionary
title_full_unstemmed Sentiment Analysis of German Texts in Finance: Improving and Testing the BPW Dictionary
title_short Sentiment Analysis of German Texts in Finance: Improving and Testing the BPW Dictionary
title_sort sentiment analysis of german texts in finance improving and testing the bpw dictionary
topic textual analysis
textual sentiment
sentiment analysis
content analysis
annual general meeting
ceo speeches
url https://press.wz.uw.edu.pl/cgi/viewcontent.cgi?article=1021&context=jbfe
work_keys_str_mv AT matthiaspoferlein sentimentanalysisofgermantextsinfinanceimprovingandtestingthebpwdictionary