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Spillovers in networks of user generated content: Evidence from 23 natural experiments on Wikipedia

Kummer, Michael E. - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2013

Endogeneity in network formation hinders the identification of the role social networks play in generating spillovers, peer effects and other externalities. This paper tackles this problem and investigates how the link network between articles on the German Wikipedia influences the attention and...

Persistent link: https://www.econbiz.de/10010957727

Spillovers in networks of user generated content: Pseudo-experimental evidence on Wikipedia

Kummer, Michael - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2014

I quantify spillovers of attention in a network of content pages, which is challenging, because such networks form endogenously. I exploit exogenous variation in the article network of German Wikipedia to circumvent this problem. Wikipedia prominently advertises one featured article on its main...

Persistent link: https://www.econbiz.de/10011139789

Intermediate input markets, ICT and innovation in Germany: A firm level analysis

Cerquera, Daniel; Klein, Gordon J. - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2013

the importance of adoption externalities and knowledge spillovers inherent in the introduction of ICT. The results show …

Persistent link: https://www.econbiz.de/10010957582

Innovation, employment growth, and foreign ownership of firms: A European perspective

Dachs, Bernhard; Peters, Bettina - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2013

This paper examines how foreign-owned and domestically owned firms transform innovation into employment growth. The …, reveals important differences between the two groups: Due to general productivity increases and process innovation, foreign … innovation are larger for foreignowned firms. Together with employment-stimulating effects stemming from existing products, they …

Persistent link: https://www.econbiz.de/10010957608