CEVAP:

Hyperinflation is the very rapid increase in overall prices. Hyperinflation periods are rare. For example, in hyperinflation period in Germany after World War I between 1921-1924, prices have increased 30 billion percent. Recently, in another  hyperinflation period occurred in 1984, in Bolivia, the weekly price increase has reached 300 percent. More recent example of hyperinflation comes from Zimbabwe, an African country, with a monthly price increase of 79.6 billion percent in 2008.