The phrase "a swift increase" is correct and usable in written English.
You can use it to describe a rapid or quick rise in something, such as numbers, prices, or levels.
Example: "The company experienced a swift increase in sales after launching their new product."
Alternatives: "a rapid rise" or "a quick surge."
India's government is now bracing the country for a swift increase in the price of diesel fuel and other imported necessities priced in dollars.
WASHINGTON — Citing hunger riots in developing countries and soaring grain prices around the world, Senate Democrats called on Monday for a swift increase of $200 million in foreign food aid, on top of an additional $350 million that President Bush has requested in a supplemental spending measure.
The result was a swift increase in larger planes with improved radial engines and a shift from biplanes to trimotor monoplane transports marketed by a subsidiary of Ford and by the European builder, Anthony Fokker, who had set up shop in the United States.
We find a swift increase of the viral density as a function of the time of initiation of the therapy measured when the therapy is stopped.
Of interest, we observed a swift increase in serum MIA concentration after initiation of adalimumab treatment in PsA patients after 4 weeks, but after 12 weeks no significant effect could be detected.
On 3 occasions, the area of low uptake had decreased from one PET scan to the next (Table), when a swift increase in uptake then ensued.
Yet none of America's seven recent mass shootings, whether as individual events or a collective, swift increase in brutalism, attracted much media attention, likely due to their ho-hum nature in a nation disturbingly inured to such violence.
Generic drug companies said today that they were willing and able to carry out a swift, huge increase in production of drugs to treat anthrax if asked to do so by the government.
Economists said the two moves could somewhat slow the swift increase in bank lending that has caused a steep rise in China's money supply and has raised fears that Chinese banks may be creating another wave of bad loans.
With the swift increase in the number of older persons, an increasing demand for long-term care facilities has arisen.
The swift increase in enrollment has long made supporters of the law anxious.
