They point out that providers' profit margins are stable, and that investment in network equipment is generally falling.
Mr Crook then goes on to present his evidence The trouble is, he also shows that capital-to-output ratios in Britain and France in the 18th and 19th centuries, when r exceeded g by very wide margins, were stable, not rising inexorably.
The lesion margins were stable (unchanged) at 10 months.
Again, QL is in a sweet position because it can pass on the rising cost of raw materials to customers, so profit margins are stable.
Conservatism is advantageous when the dosage form and profit margins are stable; however, for most other industries, form, price and quality of product are all subject to fickle customer requirements.
The appropriate timing margin for stable operation of the large-scale logic circuit is discussed by taking the fluctuation of setup/hold time and the timing jitter in the single flux quantum circuits.
BASF expects higher, more stable margins in more specialised chemicals.
They just started a new product cycle two quarters ago, and have shown accelerating revenue growth and very stable margins, in the 60percentt range, over the last five quarters.
"Growth is stronger in those industries and margins are more stable," said Jan Dick van der Nol, an analyst with Fortis Bank in the Netherlands.
Nonetheless, it said it had achieved "good pretax profit growth" in line with its own expectations and stable margins, but this did little to reassure analysts.
