Publications of the Research Unit Digital Economy

  1. Contributions to Edited Volumes and Conference Proceedings // 2006

    Diffusion of Information and Communication Technology

    Due to startling and continued technological advances, information and communication technology (ICT) has received major attention in analysing innovation and growth dynamics in industrialised countries over the…

  2. Refereed Journal // 2006

    B2B or Not to Be: Does B2B E-Commerce Increase Labour Productivity?

    We implement an endogeneous switching-regression model for labour productivity and firms' decision to use business--to--business (B2B) e--commerce. Our approach allows B2B usage to affect any parameter of the…

  3. ZEW Discussion Paper No. 06-094 // 2006

    Dynamic R&D Incentives with Network Externalities

    This paper studies the incentives to undertake uncertain R&D initiatives in a dynamic duopoly network industry. It is shown that network externalities positively affect the incentives to invest in R&D. In the…

  4. ZEW Discussion Paper No. 06-093 // 2006

    R&D Incentives, Compatibility and Network Externalities

    This paper analyzes the impact of network externalities on R&D competition between an incumbent and a potential entrant. The analysis shows that the incumbent always invests more than the entrant in the…