We propose a model where both R&D and ICT investment feed into a system of three innovation output equations (product, process and organizational innovation), which ultimately feeds into a productivity equation. We find that ICT investment and usage are important drivers of innovation in both...

Almost all empirical research that has attempted to assess the validity of the Porter Hypothesis has started from reduced-form models, e.g. by using single-equation models for estimating the contribution of environmental regulation (ER) to productivity. This paper addresses the Porter Hypothesis...

This paper examines whether there are complementarities between investments in ICT, R&D and organizational innovation, and the effects of different investment profiles on total factor productivity growth on Dutch firm-level data. We estimate an integrated model of investment profile adoption and...