Economy of Bulgaria (574 euro) (December, 2017). The national currency is the lev (plural leva), pegged to the euro at a rate of 1.95583 leva for 1 euro. The lev is the strongest and most stable currency in Eastern Europe. The strongest sectors in the economy are energy, mining, metallurgy, machine building, agriculture and tourism. Primary industrial exports are clothing, iron and steel, machinery and refined fuels. The trading partners with largest contribution to the import/export are Germany, Italy, Romania, Turkey, Greece, Russia, France, Spain, Poland, Netherlands, China, Hungary and Belgium. Sofia is the capital and economic heart of Bulgaria and home to
Abeille (local currency) reverse. To maintain an individual bill's validity, a "scrip" corresponding to 2% of the banknote value must be paid every six months. (This system, called demurrage, is a form of currency circulation tax and was invented by Silvio Gesell.) Abeille (local currency) Abeille is the name of a community currency started in 2010 in Villeneuve-sur-Lot, France. It is named after the French word for bee. The Abeille program is intended to promote local commerce. The Abeille operates with a fixed exchange rate: = An initiative of a local NGO, "Agir pour le vivant" (Act for the living), the Abeille is