The phrase "a time when rates" is correct and usable in written English.
It can be used when discussing specific periods or instances related to rates, such as interest rates, prices, or statistics.
Example: "We need to analyze a time when rates were at their highest to understand the market trends better."
Alternatives: "a period when rates" or "an instance when rates".
The bill reached the governor's desk at the height of summer power demand, and at a time when rates have spiked because of power shortages around the Northeast.
It was especially galling, he said, that city agencies owed millions for water at a time when rates have increased by double digits in recent years.
Americans have begun to ask why the farm bill is subsidizing high-fructose corn syrup and hydrogenated oils at a time when rates of diabetes and obesity among children are soaring, or why the farm bill is underwriting factory farming (with subsidized grain) when feedlot wastes are polluting the countryside and, all too often, the meat supply.
Its promise of 3% interest on balances of up to £20,000, plus cashback on other household spending, meant it offered a better deal than most savings accounts, at a time when rates were being slashed at every other bank and building society.
Second, many don't remember a time when rates were rising, because it hasn't happened for nearly two score years.
This does not mean that the QE was pointless; it achieved the goal of loosening monetary conditions at a time when rate cuts were no longer possible.
(2) Pseudo-Steady State (PSS): A PSS is an average release rate (μg cm−2 d−1) from hull leachate over a period of time when rates have stabilized to an asymptotic low.
As with Japan the goal would be to raise expected inflation and lower real short-term interest rates at a time when nominal rates are stuck near zero.
The partnership comes at a time when homeless rates are soaring at historic rates.
But the bank was able to sell less than half of them as investors rejected the low interest rates that the bills carry at a time when unregulated rates are rising quickly.
There is no logical explanation for infrastructure spending collapsing at a time when interest rates for municipalities are bumping along at historically low rates--at least the lowest since the 1960s.
