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 very hard to make sure they’re not at an unfair disadvantage with China." "Bloomberg" pointed out at that countries such as Brazil, South Korea and Thailand sold their respective currencies in the weeks preceding the report to curb gains and support export. South Korea, Taiwan, Brazil, Colombia and Russia were also tightening rules to limit capital flows and avoid swings in their currencies. However, the Obama administration decided to postpone the decision to label China a "currency manipulator" until after the G20 summit in South Korea and the United States elections, 2010. China issued its own "warning" against being made