Timing in Information Security: An Event Study on the Impact of Information Security Investment Announcements
E. Szubartowicz, G. Schryen, Journal of Information System Security 16 (2020) 3–31.

Information Security Investments: An Exploratory Multiple Case Study on Decision-Making, Evaluation and Learning
E. Weishäupl, E. Yasasin, G. Schryen, Computers &; Security 77 (2018) 807–823.

A Multi-Theoretical Literature Review on Information Security Investments using the Resource-Based View and the Organizational Learning Theory
E. Weishäupl, E. Yasasin, G. Schryen, in: International Conference on Information Systems, 2015.

Towards an Economic Approach to Identity and Access Management Systems Using Decision Theory
E. Weishäupl, M. Kunz, E. Yasasin, G. Wagner, J. Prester, G. Schryen, G. Pernul, in: 2nd International Workshop on Security in Highly Connected IT Systems (SHCIS?15), 2015.