First published in The Korea Herald.
Brazilian Finance Minister Guido Mantega popularized the term “currency war” in 2010 to describe policies employed at the time by major central banks to boost the competitiveness of their economies through weakening their currencies. As we enter 2015, the specter of currency wars appears to be once again looming on the horizon.
In layman’s terms, currency wars are said to occur when countries seek to devalue their currency to gain a competitive advantage ― exports become more competitive while imports become more expensive, leading to a rise in aggregate demand, which helps boost economic growth and reduce unemployment.
However, if one country seeks to become more competitive through devaluation, it means other countries become less competitive. Therefore,...