Now showing items 1-10 of 21
The Economic Impact of Privacy Violations and Security Breaches
Business & Information Systems Engineering: Vol. 6, No. 6
Privacy and security incidents represent a serious threat for a company’s business success. While previous research in this area mainly investigated second-order effects (e.g., capital market reactions to privacy or security incidents), this study focuses on first-order effects, that is, the direct consumer reaction. In ...
Making Digital Freemium Business Models a Success: Predicting Customers’ Lifetime Value via Initial Purchase Information
Business & Information Systems Engineering: Vol. 58, No. 2
In digital freemium business models such as those of online games or social apps, a large share of overall revenue derives from a small portion of the user base. Companies operating in these and similar businesses are increasingly constructing forecasting models with which to identify potential heavy users as early as ...
Using Twitter to Predict the Stock Market
Business & Information Systems Engineering: Vol. 57, No. 4
Behavioral finance researchers have shown that the stock market can be driven by emotions of market participants. In a number of recent studies mood levels have been extracted from Social Media applications in order to predict stock returns. The paper tries to replicate these findings by measuring the mood states on ...
Views on the Past, Present, and Future of Business and Information Systems Engineering
Business & Information Systems Engineering: Vol. 60, No. 6
Blind Spots in Business and Information Systems Engineering
Business & Information Systems Engineering: Vol. 61, No. 2