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...

Today there are many questions about the nature and the future of the so-called 'new economy'. The term 'new economy' itself has acquired a variety of quite different connotations. For many commentators, it continues to refer primarily to the altered macroeconomic performance of the US economy...