Currency War of 2009–11 dollar, with Goldman Sachs saying the real is the most over valued currency in the world. In October 2010, Brazil began increasing her capital controls, doubling a tax on foreign purchases of fixed-income assets to 4 percent so as to curb the real's appreciation to a two-year. On 18 October, Brazil sought to curb the real's gains by raising taxed capital inflow on fixed-income assets by 2% to 6% and taxed inflows for margin deposits on futures to 6% from 0.38%. Chile said it would implement capital controls to curb gains in the Chilean peso, which had strengthened the most
Currency War of 2009–11 other countries not directly involved such as Australia; if the "currency war" continues they may be exposed to harmful upwards pressure on their exchange rates. By December 2010, currency war was less of a hot topic and wasn't even on the agenda for the bilateral trade talks held between China and the US, but the issues still remain unresolved, with many emerging economies considering increased use of capital controls to cope with potentially de-stabilising capital inflows. January 2011 saw new interventions to prevent currency appreciation and volatility from Brazil, South Korea and even from Chile – a country with a