A good understanding of productivity growth is important for understanding aggregate supply capacity, and so for the conduct of monetary policy. To understand the sources of supply capacity well, it is important to measure output and factor inputs correctly. This article summarises recent and...

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...