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...

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...