The OECD raised its global economic outlook for 2023 on Tuesday but cut the growth forecast for next year as interest-rate hikes aimed at curbing inflation take their toll.

The world economy is now expected to grow 3.0 percent this year, up from the 2.7 percent forecast in the June outlook of the Organisation for Economic Co-operation and Development.

But it said global growth was projected to remain "sub-par", slowing to 2.7 percent next year -- down from 2.9 percent in the previous forecast.

"After a stronger-than-expected start to 2023, helped by lower energy prices and the reopening of China, global growth is expected to moderate," the OECD said.

"The impact of tighter monetary policy is becoming increasingly visible, business and consumer confidence have turned down, and the rebound in China has faded."

Central banks worldwide have sharply raised borrowing costs in an effort to tame consumer prices which soared in the wake of Russia's invasion of Ukraine last year.

"Inflation is projected to moderate gradually over 2023 and 2024 but to remain above central bank objectives in most economies," the OECD said.

The European Central Bank raised a key interest rate to a record high last week but hinted this might be its last hike, while the US Federal Reserve is expected to pause its own campaign on Wednesday.

Consumer price increases have eased in the United States and the eurozone but remain well above the two-percent targets of the Fed and ECB, and oil prices have rebounded in recent weeks.

The Bank of England and its peers in Norway, Sweden and Switzerland are also making interest rate decisions on Thursday.

"Even if policy rates are not raised further, the effects of past rises will continue to work their way through economies for some time," the OECD said.

Borrowing costs for companies and households have risen, while credit conditions have tightened, it said.

"Some countries are already seeing rising loan and credit card delinquency rates and increases in corporate insolvencies," the OECD said.

The crisis at regional US banks in March and the fire sale of European banking giant Credit Suisse show that "risks remain" that higher rates could "produce stresses in the financial system", the report warned.

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