Economy of Brazil compared to only US$2 billion per year last decade, remarkable growth. The agricultural sector, locally called the "agronegócio" (agro-business), has also been remarkably dynamic: for two decades this sector has kept Brazil among the most highly productive countries in areas related to the rural sector. The agricultural sector and the mining sector also supported trade surpluses which allowed for massive currency gains (rebound) and external debt paydown. Due to a downturn in Western economies, Brazil found itself in 2010 trying to halt the appreciation of the real. Data from the Asian Development Bank and the Tax Justice Network show the
Currency board Helena continue to operate currency boards, backing their locally printed currency notes with pound sterling reserves. A gold standard is a special case of a currency board where the value of the national currency is linked to the value of gold instead of a foreign currency. For a precise definition of what constitutes a currency board, including past examples, see: Currency board A currency board is a monetary authority which is required to maintain a fixed exchange rate with a foreign currency. This policy objective requires the conventional objectives of a central bank to be subordinated to the exchange rate