Fighting Money Laundering with Statistics and Machine Learning

• URL: http://arxiv.org/abs/2201.04207v5
• Date: Tue, 21 Mar 2023 07:13:27 GMT
• Title: Fighting Money Laundering with Statistics and Machine Learning
• Authors: Rasmus Jensen and Alexandros Iosifidis
• Abstract summary: There is little scientific literature on statistical and machine learning methods for anti-money laundering. We propose a unifying terminology with two central elements: (i) client risk profiling and (ii) suspicious behavior flagging.
• Score: 95.42181254494287
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Money laundering is a profound global problem. Nonetheless, there is little scientific literature on statistical and machine learning methods for anti-money laundering. In this paper, we focus on anti-money laundering in banks and provide an introduction and review of the literature. We propose a unifying terminology with two central elements: (i) client risk profiling and (ii) suspicious behavior flagging. We find that client risk profiling is characterized by diagnostics, i.e., efforts to find and explain risk factors. On the other hand, suspicious behavior flagging is characterized by non-disclosed features and hand-crafted risk indices. Finally, we discuss directions for future research. One major challenge is the need for more public data sets. This may potentially be addressed by synthetic data generation. Other possible research directions include semi-supervised and deep learning, interpretability, and fairness of the results.

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