University of St.Gallen
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29.06.2015
Typical characteristics of electricity day-ahead prices at EPEX are the very high volatility and a large number of extreme price changes. In this paper, we look at hourly spot prices at the German electricity market and apply extreme value theory (EVT) to investigate the tails of the price change distribution. Our results show the importance of ...
29.06.2015
This paper presents first guidelines for the cultural adaptation and efficient global provision of services. For this purpose, it elaborates on how to consider culture-specific components of a service on the basis of systematic service modularization. This is illustrated by the example of an IT-mediated learning service, which is usually perceived ...
27.06.2015
The emergence of mobile devices and social technologies has opened up new possibilities for health promotion and disease prevention. By means of emotional stimuli, motivation, and persuasion health behaviour change support systems (HBCSS) aim at influencing users to improve their health and wellbeing. This article presents the results of a ...
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