Diese Studie entstand vor dem Hintergrund, dass digitale Dienstleistungen keine physische Präsenz des leistenden Unternehmens im Land des Leistungsempfängers erfordern und eine Registrierung der Anbieter auf Grund besonderer Besteuerungsverfahren (Mini‐One‐Stop‐Shop und VAT on eServices)...

Social media open up new possibilities for firms to exploit information from various external sources. Does this information help firms to become more innovative? Combining firm-level survey data with information from firms' Facebook pages, we study the role that firms' and users' activities on...

We provide a structured overview of the quantitative literature on the economic impacts of telecommunications networks and broadband internet. Differentiating between wireline and wireless technologies as well as broadband availability and broadband adoption, respectively, we review studies...