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 the currency war had ended – governments of emerging economies were increasingly deciding to accept currency appreciation so as to mitigate rising food prices, one of the causes behind civil discontent driving the Arab Spring. In April, the "Financial Times" joined Bloomberg in reporting that the currency war was beginning to fizzle out, again suggesting a key reason was the trend for emerging economies to allow currency appreciation as a means to offset inflation. Although Brazil is one of the emerging countries that has recently abandoned intervening against appreciation, her finance minister Guido Mantega disagreed with suggestions that the 'currency