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 of Uruguay moneda national" (peso national currency). The economy picked up after 1876 and the 1880s were a period of prosperity and expansion. Internal peace was achieved in 1884, and there was a heavy influx of foreign capital. The Reus Law of 1887 made it easy to establish new banks (the most important of which was Banco Nacional). While Uruguay's neighbors, Argentina and Brazil, were obliged to use inconvertible paper currency, Uruguay continued to use gold. By 1889 the flow of foreign capital was drying up, and the prices paid for Uruguay's exports were falling. Gold was leaving the country, and Banco