When the Brazilian finance minister Guido Mantega complained that the Federal Reserve was waging a currency war against his country in September 2010, his comments led to a wave of sympathy and concern. The Fed’s aggressive monetary easing was causing a capital flight from the US into the apparently unstoppable emerging markets.
Uncompetitive exchange rates and domestic credit booms in the EMs were the result of US quantitative easing. American monetary policy makers showed little sympathy, arguing that the US had its own domestic inflation and unemployment mandates to worry about. If the dollar fell in the process, so be it.
That episode proved short lived. The Brazilian real is now a chronically weak currency. Yet the term “currency wars” has stuck. It is now alleged that almost all the major central banks are engaged in weakening their currencies, if not against each other then certainly relative to commodities, goods and services. Read more