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...

Information and communication technologies are transforming economies and societies around the world. In this respect, E-Commerce has the capability to build a new global economy. That is why government, industries, non-profit-organisations, trade unions and consumers would like to come together...

Both M&A and innovation are instruments for growth and competitive advantage.Therefore they are fundamental to each firm’s competitive strategy. Usually, both instrumentshave been studied separately, but much less in conjunction. This is unfortunate as bothprocesses - the process of innovation...

Der Beitrag arbeitet die Heterogenität von Unternehmen innerhalb von Branchen hin-sichtlich ihrer technischen Effizienz heraus. Datengrundlage sind die Mikro-Daten der Kostentrukturerhebung im Verarbeitenden Gewerbe in Deutschland. Die technische Effizienz wird im Rahmen der Schätzung einer...

This paper shows how cognitive human dispositions that take effect at the level of an individualfirm’s corporate culture have repercussions on an industry’s evolution. In our theory, the latter isattributable to evolving corporate cultures coupled with changes in a firm’s...

Using a vertical differentiation model, we investigate the product quality strategiesof two competing firms maximizing market shares. The rms are facing variable costs ofquality improvement and choose their prices under the constraint of nonnegative prots.We show that in equilibrium there is no...

This paper introduces the Small World model (Watts and Strogatz, Nature,1998) into the theory of economic growth and investigates how increasing economic integrationaects rm size and effciency, norm enforcement, and aggregate economic performance.When economic integration is low and local...

This paper examines optimal policy when agents, private investors and a government, can learn about the economy by observing others. Investors can delay investment in order to exploit future information. Importantly, investors ignore the informational value of their actions to others when...