The head of the International Monetary Fund (IMF) says he hopes the actions taken by governments will be powerful enough to persuade banks to start lending again, and that he IMF is ready to lend to any country that needs help.
Speaking at the G20 meeting in Washington, Dominique Strauss-Kahn says this would bring an end to the credit crunch.
But he has warned that the global financial system is near to meltdown, saying the IMF has been calling for co-ordinated action on the crisis for some time.
Mr Strauss-Kahn says the crisis is not limited to advanced economies and the IMF is ready to lend to any country that needs help.
"The fund has asked for weeks, if not for months, for more co-ordination in action, arguing that in such a crisis that it was impossible to look for domestic solution," he said.
"Action taken in some countries without coordination with other countries can hurt more than it helps."
The G20 group of leading economies has agreed to coordinate efforts to respond to financial turmoil in world markets.
The group says it will use all means available to ensure the stability of the global financial system.
In a joint statement the group emphasised the need for nations to communicate to ensure that benefits to one country do not destabilise other economies.
