AUTHOR=Grima Simon , Thalassinos Eleftherios TITLE=Editorial: Risk Management Models and Theories Volume II JOURNAL=Frontiers in Applied Mathematics and Statistics VOLUME=7 YEAR=2021 URL=https://www.frontiersin.org/journals/applied-mathematics-and-statistics/articles/10.3389/fams.2021.676404 DOI=10.3389/fams.2021.676404 ISSN=2297-4687