Neo-classical theory provides an integrated framework by means of which we can measure capital stocks, capital services and depreciation. In this paper the theory is set out and reviewed. The paper finds that the theory is quite robust and can deal with assets like computers that are subject to...

We argue that unmeasured investments in intangible organizational capital-associated with the role of information and communications technology (ICT) as a "general purpose technology" - can explain the divergent U.S. and U.K. TFP performance after 1995. GPT stories suggest that measured TFP...

In recent work, Stacey Tevlin and Karl Whelan argue that aggregate econometric models fail to capture the US investment boom in plant and machinery in the second half of the 1990s, whereas a disaggregated approach does much better. In particular, they show that aggregate models do not capture...

Studies of firm-level data have shown that there is a huge dispersion of productivity across firms even when industries are narrowly defined. So there is a significant opportunity for the least productive firms to catch up to the most productive. The formers’ convergence could therefore...