"preferential prices" is an acceptable phrase in written English and it means prices that are given to certain people or groups for being favored customers.
For example, "The store offers preferential prices for senior citizens on Fridays."
Communist-bloc countries sold goods at preferential prices.
In April 2015, Majestic bought Naked Wines, an online retailer that lets subscribers fund independent winemakers in exchange for purchases of exclusive bottles at preferential prices.
Jordan is also asking for help to secure a flow of oil, which the country now buys at preferential prices from Iraq, officials said.
Those without prescription insurance are charged more for a medication than are those with coverage, who benefit from the preferential prices negotiated by their carriers; the uninsured have to pay the entire inflated price themselves.
Naked also uses social media techniques on its own website where around 300,000 subscribers help fund more than 130 independent winemakers in exchange for access to exclusive wines at preferential prices.
Back then, all of Cuba's oil came from the Soviet Union at preferential prices and the effect of having to buy oil on the world market was to cut Cuba's oil imports by 75%.
Clearly, I would find preferential pricing dandy if I were being preferred.
The merger meant Caremark customers could be pushed into CVS stores with preferential pricing.
Hoffman-LaRoche has come up with a "preferential pricing list" for African nations, according to Kellie McLaughlin, a spokeswoman.
Venezuela supplies about half of Cuba's oil needs at a preferential price, and purchase of the services of Cuban doctors accounts for something like 20% of Cuba's current annual earnings.
"If they accuse us of abusing our patent position, we can only say that we have offered the governments of all developing countries preferential pricing," said Kevin McKenna of Boehringer Ingelheim Pty. Ltd. in South Africa, which produces the anti-AIDS drug nevirapine.
