The phrase "affects supply" is correct and usable in written English.
It can be used in contexts discussing economic principles, market dynamics, or factors influencing the availability of goods or services.
Example: "The recent changes in government policy significantly affects supply, leading to shortages in several key industries."
Alternatives: "influences supply" or "impacts supply".
Even those experts who say that prices will not rise further acknowledge that the balance between supply and demand is so tight that any problem that affects supply, like a pipeline break or refinery shutdown, could drive up prices once more.
Design of supply chain network significantly affects supply chain performance for long period.
It is not clear, however, how inaccuracy at different locations affects supply chain performance and how an effective cycle-count program for a multi-stage supply chain should be designed.
Of course, zoning and design constraints have also affected supply.
Mr. Bush acknowledged that the best way to affect supply is to reduce demand.
Strikes continued at nuclear power stations – which provide three quarters of the country's electricity – but have not affected supply.
That, in turn, has affected supply chains, with some factories running short of parts needed in their manufacturing processes.
"Terrorist attacks occur with monotonous regularity in various parts of the world," he said, "and they don't seriously affect supply".
Given the complex interaction of factors affecting supply and demand for housing, the outcomes of significant changes to negative gearing on the housing market are uncertain".
Strikes at nuclear power stations– which provide three-quarters of the country's electricity – have so far failed to affect supply, authorities said.
But the gear, manufactured in Japan and shipped to the Hino Motors Manufacturing plant in Marion, symbolizes the multitude of disruptions affecting supply chains.
