South African rand losses in the currency to look for higher-yield investments elsewhere and due to concerns over the impact of the economic slowdown in China, South Africa's largest export partner. By mid-January, economists were speculating that the Rand could expect to see further volatility for the rest of 2016. By 29 April, it reached its highest performance over the previous five months, exchanging at a rate of 14.16 to the United States dollar. Following the United Kingdom's vote to leave the European Union (EU), the Rand dropped in value over 8% against the United States dollar on 24 June 2016, the currency's
Optimum currency area rationale behind the creation of the euro is that the individual countries of Europe do not each form an optimal currency area, but that Europe as a whole does. The creation of the euro is often cited because it provides the most modern and largest-scale case study of an attempt to identify an optimum currency area, and provides a comparative before-and-after model by which to test the principles of the theory. In theory, an optimal currency area could also be smaller than a country. Some economists have argued that the United States, for example, has some regions that do not