Commodity currency Canadian dollar, New Zealand dollar, Norwegian krone, South African rand, Brazilian real, Russian ruble and the Chilean peso. Due to the nature of commodity currencies being tied to commodities, being tied to any one good can be beneficial as well as problematic for the country. While naturally, falling or rising exports will lead to deflation or inflation respectively in any country the impacts are more severe in countries with commodity currencies at their currency is so heavily tied to a set few commodities. According to a 2009 study on commodity currency titled “Can Exchange Rates Forecast Commodity Prices?” by Yu-chin
West Rand creation of the Johannesburg unicity in 1999, Roodepoort, which is traditionally regarded as part of the West Rand, became part of Johannesburg municipality. After 1999, much of the area (excluding Roodepoort, which became part of the City of Johannesburg Metropolitan Municipality) became part of the newly formed West Rand District Municipality. Despite being a separate municipal area, like the East Rand, the West Rand is included in the Witwatersrand urban area. To this end, the West Rand shares the same dialling code as Johannesburg (011 locally). It is not uncommon for residents of the West Rand to work in Johannesburg