Im Zuge der Corona-Pandemie im Jahr 2020 stellt sich die Frage, wie sich die Verbreitung von Infektionskrankheiten unter Anwendung von Infektionsschutzmaßnahmen prognostizieren lässt. Das in der Epidemiologie weit verbreitete SIR-Modell liefert darauf nur bedingt eine Antwort, da die Struktur...

In recent studies on recommendation systems, the choice-based conjoint analysis has been suggested as a method for measuring consumer preferences. This approach achieves high recommendation accuracy and does not suffer from the start-up problem because it is also applicable for recommendations...

Online product reviews, originally intended to reduce consumers’ pre-purchase search and evaluation costs, have become so numerous that they are now themselves a source for information overload. To help consumers find high-quality reviews faster, review rankings based on consumers’...

One of the most studied questions in economics and finance is whether equity returns or premiums can be predicted by empirical models. While many authors favor the historical mean or other simple parametric methods, this article focuses on nonlinear relationships. A straightforward...