This study measures the economic consequences of information security activities, in general, and more specifically the market value of disclosures of information security activities. Since information security activities are primarily non-revenue generating, management tends to view them as the...

This study documents behavior consistent with herding in voluntary disclosure decisions and investigates two possible reasons for this phenomenon. Based on theories of social learning and rational herds, herding in disclosure decisions may be due to managers' use of information reflected in the...

This dissertation includes two essays on the economic aspects of information security. The first essay presents a principal-agent model for assessing the value of information security audits. The issue of information security investments is confounded by control problems arising from asymmetric...

"Von vielen Konkurrenzprodukten unterscheidet sich dieses erstklassige und seit Jahren etablierte Lehrbuch vor allem in zwei Punkten. Zum einen wird die Kosten- und Erlösrechnung aus der Sicht des Managements bzw. des Controllings dargestellt. (...) Zum anderen zeichnet sich das Buch durch eine...