These taxa exhibit mass flowering (or gregarious flowering), with all plants in a particular species flowering worldwide over a several-year period.
An agreement was reached in 1641 to pay the London merchants £1,200 over a several-year period, but one of the merchants refused the deal and insisted on being paid an additional £400.
He sees the bubble as a brief event, not something that clouded a several-year period.
The season came amid the Oil Crisis, which ended interest in performance cars after an already-declining market over a several-year period.
"Disaster in Iraq, problems in the Middle East and a several-year period to recover the losses in American foreign policy."
The regional fluctuations in both hemispheres are such that for any several-year period of the satellite record some regions exhibit decreasing ice coverage while others exhibit increasing ice cover.
It is most often used in multi-stage discounted cash flow analysis, and allows for the limitation of cash flow projections to a several-year period.
The researchers could reach a definitive answer for just 26 funds, those for which they could get complete trading data over a several-year period.
People tend to dump mutual funds just before the funds enter several-year periods of above-average performance, and to buy funds that are about to sag.
They found that the growth rate of real, or inflation-adjusted, earnings is relatively constant when measured over several-year periods.