The mean-variance portfolio optimization theory of Markowitz assumes that stock returns are distributed according to … inherently more risky than stocks with normal pdfs. This paper examines portfolio optimization using the kurtosis as a risk … fluctuations from the mean which is counter-intuitive and contrary to normal practice. It is argued that risk is multidimensional …

requirement of rich expertise in financial risk. Compared with other black-box algorithms, the explainable CBR system allows a … predicting financial risk, which is essential for both financial companies and their customers. In addition, results show that …

In terms of regulatory and economic capital, credit risk is the most significant risk faced by banks. We implement a … credit risk model - based on publicly available information . with the aim of developing a tool to monitor credit risk in a … sample of large and complex banking groups (LCBGs) in the EU. The results indicate varying credit risk profiles across these …