Economic history of Argentina rate never went above 10%, and the country largely recovered by 1935. However, the Depression permanently halted its economic expansion. Actually, much like other developing countries, the economy was already in a downturn beginning in 1927, a result of declining prices. Argentina abandoned the gold standard in December 1929, earlier than most countries. For much of the previous period, the country had operated a currency board, in which a body known as the caja de conversión was charged with maintaining the peso's value in gold. The devaluation of the peso increased the competitiveness of its exports and protected domestic production.
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