Artificial intelligence is an effective tool in exploring corporate reporting

Corporate accounting reports contain extensive data on various themes, and machine learning methods as well as AI-based language models offer entirely new possibilities for exploring this data. In her doctoral dissertation in accounting, Essi Nousiainen illustrates what kind of information can be gathered about corporate responsibility, innovation, and blockchain-related trends using machine learning and AI-based text analysis. The analyses are based on measurement methods developed by Nousiainen.

– The text analyses revealed, for instance, that companies publicly seeking buyers report more on responsibility than their peers. However, the actual responsibility actions of these companies did not differ from the comparison group. This suggests an attempt to appear more responsible in sales situations and highlights the need for responsibility reporting regulation, says Nousiainen, who will defend her dissertation at the University of Vaasa on 4 April.

– The analyses also showed that companies are addressing topics related to cryptocurrencies more cautiously than before, while the trend was the opposite for other blockchain-related topics, she adds.

New metrics help with competitor and industry analyses

Nousiainen’s dissertation develops new machine learning and text-based metrics for measuring corporate innovation and responsibility from accounting reports.

– With the innovation metric, report topics can be mined and compared in a way that allows the level of corporate innovation to be identified without just examining patents. The responsibility metric, on the other hand, measures how much companies report on their responsibility based on keywords and contexts.

The dissertation also introduces a research method for analysing corporate blockchain and cryptocurrency reporting, where existing machine learning-based analysis techniques have been combined in a new way.

– These different metrics and methods can be utilised by companies, researchers, and anyone interested in financial statement data. For example, companies can use the methods in competitor and industry analyses, during mergers and acquisitions, and when seeking business partners, Nousiainen summarises.

As her research material, Nousiainen used 10-K and S-1 reports – that is, annual reports and listing particulars – from U.S. companies. Her research methods included Latent Dirichlet Allocation (LDA), sentiment analysis, and statistical modeling.

Doctoral dissertation

Nousiainen, Essi (2025) Essays on Corporate Textual Disclosure. Acta Wasaensia 552. Doctoral dissertation. University of Vaasa.

Publication pdf

Public defence

The public examination of M.Sc. Essi Nousiainen’s doctoral dissertation “Essays on Corporate Textual Disclosure” will be held on Friday 4 April 2025 at 12 (Eastern European Summer Time, UTC+03:00) at the University of Vaasa, Finland, auditorium Nissi.

It is possible to participate in the defence also online https://uwasa.zoom.us/j/69389271340?pwd=FmudXpiMVxp5KKdySdVfOUbCRnHYFH.1

Password: 508857
Professor Seppo Ikäheimo (Aalto University) will act as opponent and Associate Professor Mikko Ranta as custos.

Further information

Essi Nousiainen, essi.nousiainen@uwasa.fi

Essi Nousiainen was born in 1996 in Vantaa, Finland. In 2020, she earned a Master’s degree in Economic Sciences from the University of Vaasa. At the moment, Nousiainen works as Project Researcher at the University of Vaasa.