Economic history of Argentina assumed power, inflation was equivalent to an annual rate of 5000%, and output had declined sharply. In 1976, the era of import substitution was ended, and the government lowered import barriers, liberalized restrictions on foreign borrowing, and supported the peso against foreign currencies. That exposed the fact that domestic firms could not compete with foreign imports because of the overvalued currency and long-term structural problems. A financial reform was implemented that aimed both to liberalize capital markets and to link Argentina more effectively with the world capital market. After the relatively stable years of 1976 to 1978, fiscal deficits started
World currency a single world currency is unnecessary, because the U.S. dollar is providing many of the benefits of a world currency while avoiding some of the costs. If the world does not form an optimum currency area, then it would be economically inefficient for the world to share one currency. In the present world, nations are not able to work together closely enough to be able to produce and support a common currency. There has to be a high level of trust between different countries before a true world currency could be created. A world currency might even undermine national sovereignty