The volume collects a selection of papers of the 21st EURO Working Group on Financial Modelling. The papers in this book provide a representative, though not complete, sample of the current scientific activity in the field of quantitative finance. Such activity is not only theoretical but also...

This contribution studies the effects of credit contagion on the credit risk of a portfolio of bank loans. To this aim we introduce a model that takes into account the counterparty risk in a network of interdependent firms that describes the presence of business relations among different firms....

In this contribution we propose a contagion model for bank loan portfolios that takes into account both a macroeconomic component and a firm-specific microeconomic component due to the counterparty risk. The macroeconomic effect is assumed dependent on a few economic factors while the...

We introduce elements of Cumulative Prospect Theory into the portfolio selection problem and then compare stock portfolios selected under the behavioral approach with those selected according to classical approaches, such as Mean Variance and Mean Absolute Deviation ones. The mathematical...