"Uncertainty - driven by trade but also by Brexit, and geopolitical tensions - is holding back economic potential," Georgieva said. Not only that, but the economic rifts could "last a generation" with possible shifts such as broken supply changes and siloed trade.
The Organisation for Economic Cooperation and Development trimmed its forecast last month, while World Bank President David Malpass said Monday that the lender is preparing to downgrade its assessment from a projection of 2.6 per cent it made in June.
A deeper slowdown would require more fiscal support, Georgieva said. "If the global economy slows more sharply than expected, a coordinated fiscal response may be needed," she said. "We are not there" but it's better to be too early with it than late.
On monetary policy, Georgieva said central banks should keep interest rates low where appropriate, "especially since inflation is still subdued in many countries and overall growth is weakening." She warned, however, that very low or even negative interest rates can come with "negative side effects and unintended consequences" that can lead to financial vulnerabilities.
"Monetary and financial policies cannot do the job alone. Fiscal policy must play a central role," she said.
Georgieva, former chief executive officer of the World Bank, took over on Oct. 1 as IMF managing director, succeeding Christine Lagarde, who left to lead the European Central Bank.
- Bloomberg