The sharp increase in equity prices over the 1990s was widely attributed to permanently higher productivity growth …, which shows that under plausible assumptions, productivity advances can only have temporary effects on the fundamentals of … equity prices. Using historical data on productivity of R&D capital, patent capital and fixed capital for 11 OECD countries …

productivity growth in the US economy can be attributed to a technological acceleration within durable manufacturing and to …-factor productivity in the 88% of the economy outside of durable manufacturing. In comparison with the Great Inventions of 1860-1900, the …

. Second, growth accounting analysis reveals that information technology has not contributed changes of productivity growth … the productivity growth until the late 1980s. Third, estimation of the production function model proves that IT capital …