There is ample evidence that investment in Information Technology (IT) boosted labour markets productivity in the USA …. In fact, conspicuous flows of investment in this sector enabled the US firms to record high rates of productivity growth … of the 1990s was not echoed in Europe owing to the fact that European firms have not adopted forward-looking investment …

investment in knowledge, and its productivity, looking at sectoral peculiarities which may emerge; to this end, we use a large … positive impact on a firm's productivity, with an overall elasticity of about 0.10; this general result is largely consistent … ahead in terms of the impact on productivity of their R&D investments; moreover, a shift in favour of the service sectors …