December 16, 2020

Towards new data driven methods for financial audits

Recent accounting scandals, for example the Enron (2001) scandal, Petrobras (2014) scandal and the Wirecard (2019) scandal, emphasize the consequences of untrustworthy financial information. Yet, new data driven audit methods are scarce and not yet widely applied in this industry. Researchers from the University of Amsterdam’s Faculty of Science and KPMG, developed a novel data driven method for financial audits. This method derives primary monetary flows from the transaction data of a company that can be used by auditors in financial audits. Recently their research has been published in the prestigious Nature Scientific Reports journal, a leading magazine in the field.

Despite the growing interest in applying data driven methods in audit and the availability of large volumes of digitally recorded data, audit methods are mostly manual in nature, and developing an algorithmic equivalent proves challenging. Data used in these algorithms are recorded at the most detailed level, individual transactions that pertain to the company. But auditors provide trust about financial statements (the summed totals of individual transactions), not individual data points. To develop data driven methods, understanding the link between the low-level recorded data and its aggregate representation is therefore essential.

Marcel Boersma (PhD candidate from KPMG and Computational Science Lab University of Amsterdam), Dr. Sumit Sourabh and Prof. Dr. Drona Kandhai of the Computational Science Lab, together with Aleksei Maliutin and Lucas Hoogduin from KPMG as industry partner, developed a data driven technique that makes it possible to consistently and objectively analyze vast amounts of data and thereby potentially improve the audit quality. Other potential applications include fraud analytics.

Network theory

Boersma i.a. developed a method that turns low-level financial transaction data – for example data that records that the entity sold an item and earned revenue – into a bipartite network representation (Boersma et al. 2018, Boersma et al. 2020). The network shows an overview of all the monetary flows within the financial system, moreover it also shows which process – e.g., the sales process, the salary payments process – drives the monetary flow. This network enables the researchers­ to capture the interconnectedness of the company’s financial system from individual data points and link this to the high-level aggregates presented in the annual reports in a data driven way.

This publication has been reproduced with permission from the University of Amsterdam. Source

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