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Do Computers Call for Training? Firm-level Evidence on Complementarities Between ICT and Human Capital Investments

Hempell, Thomas - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2003

This paper explores whether investments in information and communication technologies (ICT) and firm?sponsored training programmes are complementary. Three approaches are applied to panel data from German service companies for the time period 1994?98. Results for a system of interrelated factor...

Persistent link: https://www.econbiz.de/10005097535

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

ICT, Innovation and Business Performance in Services: Evidence for Germany and the Netherlands

van der Wiel, Henry; van Leeuwen, George; Hempell, Thomas - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2004

deepening and innovation for productivity. We employ a model that takes into account that innovation and ICT use may be … technological innovations on a more permanent basis. Moreover, the joint impact of ICT use and permanent technological innovation on … productivity appears to be of the same order of magnitude in the two countries. However, the direct impacts of innovation on multi …

Persistent link: https://www.econbiz.de/10005097585

Does Experience Matter? Innovations and the Productivity of ICT in German Services

Hempell, Thomas - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2002

In this paper, it is argued that ICT investment is closely linked with complementary innovations and most productive in firms with innovative experience. In an analysis based on firm?level panel data covering the period 1994?99, system GMM estimates for an extended production function framework...

Persistent link: https://www.econbiz.de/10005097592

Concubinage or Marriage? Informal and Formal Cooperations for Innovation

Keilbach, Max; Bönte, Werner - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2004

Based on a sample of German innovating firms that contains information on formal and informal innovation cooperation … cooperations are the innovation dynamics at the industry level. Firms who operate an R&D department and firms who are involved in …

Persistent link: https://www.econbiz.de/10005097987

Open Source, ICT infrastructure and firm performance

Cerquera Dussán, Daniel; Müller, Bettina - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2009

This paper empirically studies the impact of the adoption of open source software (OSS) on firms' labor productivity and innovative behavior. Using a representative sample of German firms, the results show that the adoption of OSS operating systems for servers and general OSS applications has no...

Persistent link: https://www.econbiz.de/10008615600