Brazil papayas. The industry – from automobiles, steel and petrochemicals to computers, aircraft and consumer durables – accounted for 30.8% of the gross domestic product. Industry is highly concentrated in metropolitan São Paulo, Rio de Janeiro, Campinas, Porto Alegre, and Belo Horizonte. Brazil has become the fourth largest car market in the world. Major export products include aircraft, electrical equipment, automobiles, ethanol, textiles, footwear, iron ore, steel, coffee, orange juice, soybeans and corned beef. In total, Brazil ranks 23rd worldwide in value of exports. Brazil pegged its currency, the real, to the U.S. dollar in 1994. However, after the East Asian
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