money & economicsWikipedia2007–2008 · Zimbabwe

Zimbabwe's hyperinflation reached 790 billion percent a month, when a 100 trillion dollar note bought no bus fare

the gist

Zimbabwe's economy has been in hyperinflation since February 2007 by Cagan's definition, which counts prices rising at least 50% a month. At the peak in mid-November 2008, monthly inflation was estimated at 790.6 billion percent, and annual inflation at 89.7 sextillion percent. A 100 trillion dollar banknote could not pay for a simple bus fare. The government stopped publishing official inflation statistics during the worst period, so the figures are estimates. In April 2009 Zimbabwe stopped printing its own currency and used foreign currencies instead, and in 2015 it announced a full switch to the US dollar. The country reintroduced a local currency in 2019, and inflation rose again, reaching 737% annually by July 2020.

how it works

When a government finances spending by creating money faster than the economy produces goods, prices rise and each unit of currency buys less. Once people expect further inflation, they spend money immediately and refuse to hold it, which accelerates the spiral. Fixed or controlled prices and loss of trust in the currency can make the process run out of control.

so what

Zimbabwe's case shows how a government that prints money to cover deficits can destroy a currency's purpose as a store of value and medium of exchange. It remains a standard example for economists studying what happens when trust in money collapses.

the bigger pattern

Hyperinflations have occurred in several countries after wars or fiscal collapses, including post-First World War Germany and Hungary after the Second World War. Zimbabwe's episode is one of the most extreme on record.

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