Strong customer authentication (SCA) is a requirement of the European Union Revised Directive on Payment Services (PSD2) which ensures that electronic payments are performed with multifactor authentication. While increasing the security of electronic payments, the SCA impacted seriously on the...

Companies from diverse industries, such as gaming, travel, and retail, have started to explore emerging marketing opportunities in the Metaverse. However, there is great uncertainty regarding effective strategies in this new "world". As research is still in its infancy, we aim to contribute to a...

The exponential growth of services via personal informatics (PI) is making it increasingly important to cater to the quality expectations of end users. Quality of experience (QoE) becomes the guiding paradigm for managing quality provisioning and application design in PI. This study examines the...

Different field trials and corresponding acceptance studies with new technologies have been carried out between 2010 and 2013 at the Chair of Energy Economics at the Karlsruhe Institute of Technology (KIT). Those involved Elec-tric Vehicle (EV) users, Liquefied Petroleum Gas (LPG) and Compressed...