could get more GDP without innovation by simply duplicating existing physical capital and labour (e.g. adding a second … addition existing physical capital and labour. In our measure this is the contribution to GDP growth of market sector … investment in knowledge (or intangible) capital. This contribution is measured from company spending on knowledge …

measurement error of the Solow residual (Solow 1957) as a measure of total factor productivity (TFP) growth when the capital stock … measurements of TFP growth which do not require capital stocks: one measure eliminates the capital stock by direct substitution …

member states from 1998 to 2007. We find that (a) the marginal impact of ICT capital is higher when it is complemented with … intangible capital, and (b) non-R&D intangible capital has a higher estimated output elasticity than its conventionally …-calculated factor share. These findings suggest investments in knowledge-based capital, i.e., intangible capital, produce productivity …

recovery (itself driven by changes in capital policies since the world wars) and by the slowdown of productivity and population …-income ratio β is about 300% if g= 3% and 600% if g= 1.5%. Our results have important implications for capital taxation and … regulation and shed new light on the changing nature of wealth, the shape of the production function, and the rise of capital …