The growth rate of total factor productivity seems to have increased recently, at least in the United States. Higher US … productivity growth may justify higher stock market valuations than in the past and thus herald an emerging New Economy. However …, the size of the estimated growth rate of total factor productivity depends on an assumption about the factor …

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 …

connected this with evidence of the revival of labour productivity growth, which became increasingly visible in the aggregate … productivity performance of the preceding two decades. …