Greek withdrawal from the eurozone bank, the Bank of Greece) warned that "[a]n exit from the euro would lead to a significant decline in the living standards of Greek citizens." According to the announcement, per capita income would fall by 55%, the new national currency would depreciate by 65% vis-à-vis the euro, and the recession would deepen to 22%. Furthermore, unemployment would rise from its current 22% to 34% of the work force, and inflation, which was then at 2%, would soar to 30%. According to the Greek think-tank Foundation for Economic and Industrial Research (IOBE), a new drachma would lose half or more of
Reserve currency before the beginning of the worldwide credit crunch related recession and Eurozone crisis, which harmed the euro and slowed its adoption. Since 2009, the reserve currency use of the euro has continued to drop, down to 23.9 percent in 2013. The Dutch guilder was the "de facto" reserve currency in Europe in 17th and 18th centuries. The United Kingdom's pound sterling was the primary reserve currency of much of the world in the 19th century and first half of the 20th century. The emergence of the USA as an economic superpower, and the establishment of the U.S. Federal Reserve System