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
Complementary currency Time Banking inventor Edgar S. Cahn, Complementary Currency Resource Center coordinator Stephen DeMeulenaere and many others. Lietaer has argued that the world's national currencies are inadequate for the world's business needs, citing how 87 countries have experienced major currency crashes over a 20-year period, and arguing for complementary currencies as a way to protect against these problems. Lietaer has also spoken at an International Reciprocal Trade Association (IRTA) conference about barter. Others include: Complementary currency A complementary currency is a currency or medium of exchange which is not a national currency, but which is thought of as supplementing or complementing