G20 to address 'currency war' concerns
15 February 2013 Last updated at 08:06 GMT
The finance ministers of the G20 group of nations are meeting in Moscow amid concerns that major trading powers may be heading towards a currency war.
Japan's monetary stance has seen a big decline in the yen, while the euro has risen against a basket of currencies.
The value of a country's currency has a big impact on its trade and there are fears nations may try to influence markets to help boost their economies.
Rupert Wingfield-Hayes reports.