In this article we provide a seminal academic investigation of mo-bile telephony consumers' perception of the recently introduced costcap tari in comparison to corresponding pay-per-use and atrate call-ing plans. Previous studies have identied several psychological eectsthrough which consumers...

This paper will present results of the surveys and new trends which were relatedto e-governmental issues. A common understanding of e-government isusage of ICT means in the public sector for delivering information and servicesto its customers and enterprises. The objective is improvement of...

Multimediale Informations- und Führungssysteme inKultur und Freizeit spielen eine zunehmend wichtige Rolle für Besuchervon Sehenswürdigkeiten und Ausstellungen. Derartige Systeme können alsWeiterentwicklung von herkömmlichen Audioguides ihre Nutzer bei derOrientierung im Ausstellungsraum...

This paper develops a comprehensive endogenous growth framework to determinethe optimal mix of growth policies. The analysis is novel in that we captureimportant elements of the tax-transfer system and fully take into account transitionaldynamics in our numerical analysis. Currently, for...

In der öffentlichen Diskussion werden die Bezüge von Führungskräften mit der Semantikder Leistungsgerechtigkeit bewertet. Allerdings zeigt eine detaillierte Analysevon Prinzipal-Agent-Problemen in der modernen Wirtschaft, dass eine leistungsgerechteEntlohnung oft nicht das beste Ergebnis...

Previous research on optimal R&D subsidies has focussed on the long run.This paper characterizes the optimal time path of R&D subsidization in a semi-endogenous growth model, by exploiting a recently developed numerical method.Starting from the steady state under current R&D subsidization in the...

This paper focuses on the relationship between firms’ technological capabilities and differentforms of cooperation for innovation by combining the analysis of both micro and meso levels,i.e. the level of the firm and of the geographical region. Our findings, based on the Fourth UKCommunity...