This paper reviews the empirical literature on rates of return on R&D and interprets the economic significance of these estimates using a semi-endogenous growth model with a calibrated knowledge production sector. We analyse how R&D subsidies, a reduction of entry barriers for start-ups and...

ICT capital is an important driver of productivity growth. Using data from the EUKLEMS growth accounts, we show that ICT has made smaller contributions to labour productivity growth in the EU-15 than in the US, both at the macro level and at the level of individual sectors. At the same time,...