The Group of 20 nations agreed on Friday on a way to measure the potential risks to the global economy posed by national economic policies as part of a plan to avoid a repeat of the 2007-2009 financial crisis.

Countries representing more than 5 percent of the combined gross domestic product of the G20 will be subject to a deeper second-stage analysis of imbalances in their economy, finance officials from the group of emerging and developed nations said in a communique.

(Reporting by Lesley Wroughton and Emily Kaiser; Editing by Leslie Adler)