Eine Geschäftsidee "mieten" und sich damit selbständig machen: Ein verlockendes Angebot. Auf was Sie beim Franchising achten sollten, stellt diese Ausgabe der GründerZeiten vor...

"I know half the money I spend on advertising is wasted, but I can never find out which half." Diese Aussage wird Lord Leverhulme, dem "Seifenkönig", und später John Wanamaker, dem Warenhaus-Pionier, zugesprochen. Wahrscheinlich stammt das Zitat jedoch von Adolph S. Ochs, Verleger der New York...

We describe a new and flexible framework for modeling school effects. Like previouswork in this area, we introduce an empirical model that evaluates school performance onthe basis of student level test-score gains. Unlike previous work, however, we introducea flexible model that relates...

Objective of this paper is to enhance the understanding of modelling jumpsand to analyse the model risk based on the jump component in electricity markets.We provide a common modelling framework that allows to incorporate the main jumppatterns observed in electricity spot prices and compare the...

CAT bonds are of significant importance in the field of alternative risk transfer. Since themarket of CAT bonds is not complete, the application of an appropriate pricing model is of high relevance.We apply different premium calculation models in order to compare them with regard to...

This paper analyzes and quantifies the idea of model risk in the environment of internal modelbuilding. We define various types of model risk including estimation risk, model risk in distributionand model risk in functional form. By the quantification of these concepts we analyzethe impact of...