In order to assess the productivity effects of information and communication technologies (ICT), regressions based on cross-sectional firm-level data may yield unreliable results for the commonly employed production function framework. In this paper, various estimation biases and econometric...

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...

Using panel data for German and Dutch firms from the services sector, this paper analyses the importance of ICT capital deepening and innovation for productivity. We employ a model that takes into account that innovation and ICT use may be complementary. The results show that the contribution of...