Madsen, Jakob B.; Davis, E. Philip - Economic Policy Research Unit (EPRU), Økonomisk Institut - 2004
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 …