The phrase "a single rate of" is correct and usable in written English.
It can be used when discussing a uniform or consistent rate applied to a particular context, such as pricing, interest, or taxation.
Example: "The company decided to implement a single rate of tax for all its employees to simplify the payroll process."
Alternatives: "a uniform rate of" or "a fixed rate of".
Moving to a single rate of VAT without exemptions would eliminate this distortion but it would also be regressive.
I was quickly and courteously booked into a seventh-floor room at a single rate of $131, a bargain by Jerusalem standards.
He would replace the income tax with the AMT, but with an exemption of $100,000 per family and a single rate of 25%.
A flat tax on personal incomes combines a threshold (that is, an exempt amount) with a single rate of tax on all income above it.
India does not have a single rate of consumer-price inflation, but the crude average of the rates for industrial, non-manual and agricultural workers is above 7%.
Alexander argued that voters have a right to know how Forbes's plan to scrap the tax code and impose a single rate of seventeen per cent would benefit him personally.
Results of this moderator analysis indicated that retroactive ratings of homework compliance (e.g., a single rating of compliance provided at the end of treatment) demonstrated a significantly higher effect size than contemporaneous ratings (e.g., ratings made after each therapy session; Q = 11.90, df = 1, P < .001).001
The book's Amazon page, which includes a single rating, of five stars, states that the book "provides an understanding of today's legal, moral, and ethical issues of law and government".
In a standard task, vision researchers might ask their observers to make a single two-alternative, forced choice decision or, perhaps, to give a single rating of an image.
Before the instructions are played, participants will provide a single rating of their urge to smoke on the VAS.
