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The influence of data theft on the share prices and systematic risk of consumer electronics companies

Hinz, Oliver; Nofer, Michael; Schiereck, Dirk; Trillig, … - In: Information & management : the internat. journal of … 52 (2015) 3, pp. 337-347

Persistent link: https://www.econbiz.de/10010515254

Are crowds on the internet wiser than experts? : the case of a stock prediction community

Nofer, Michael; Hinz, Oliver - In: Journal of business economics : JBE 84 (2014) 3, pp. 303-338

Persistent link: https://www.econbiz.de/10010354773

Using Twitter to predict the stock market : where is the mood effect?

Nofer, Michael; Hinz, Oliver - In: Business & information systems engineering : BISE ; the … 57 (2015) 4, pp. 229-242

Persistent link: https://www.econbiz.de/10011486226

Machine learning sentiment analysis, Covid-19 news and stock market reactions

Costola, Michele; Nofer, Michael; Hinz, Oliver; … - 2020

The possibility to investigate the impact of news on stock prices has observed a strong evolution thanks to the recent use of natural language processing (NLP) in finance and economics. In this paper, we investigate COVID-19 news, elaborated with the "Natural Language Toolkit" that uses machine...

Persistent link: https://www.econbiz.de/10012271363

Machine learning sentiment analysis, COVID-19 news and stock market reactions

Costola, Michele; Hinz, Oliver; Nofer, Michael; … - In: Research in international business and finance 64 (2023), pp. 1-17

Persistent link: https://www.econbiz.de/10014279055

Machine Learning Sentiment Analysis, Covid-19 News and Stock Market Reactions

Costola, Michele - 2020

Persistent link: https://www.econbiz.de/10012823402