http://en.wikipedia.org/wiki/Argentine_economic_crisis_(1999–2002)
The economy took off and left the country, you mean. The entire middle class lost it all and joined the ranks of the poor.
By 1999, newly elected President Fernando de la Rúa[5] faced a country where unemployment had risen to a critical point and the undesirable effects of the fixed exchange rate were showing forcefully. In 1999 Argentina's gross domestic product dropped 4% and the country entered a recession which lasted three years ending in a collapse. Economic stability became economic stagnation (even deflation at times) and the economic measures taken did nothing to avert it. In fact the government continued the contractive economic policies of its predecessor. The possible solution (abandonment of the exchange peg, with a voluntary devaluation of the peso) was considered political suicide and a recipe for economic disaster. By the end of the century, a spectrum of complementary currencies had emerged.
While the provinces had always issued complementary currency in the form of bonds and drafts to brave shortages of cash, the maintenance of the convertibility regime led to this being done in an unprecedented scale. This led to their being called "quasi-currencies", the strongest of them being Buenos Aires province's Patacón. The national state also issued its own quasi-currency—the LECOP.[6]
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Argentina quickly lost the confidence of investors and the flight of money away from the country increased. In 2001, people fearing the worst began withdrawing large sums of money from their bank accounts, turning pesos into dollars and sending them abroad, causing a run on the banks. The government then enacted a set of measures, informally known as the corralito,[7][8] that effectively froze all bank accounts for twelve months,[9][10] allowing for only minor sums of cash to be withdrawn, initially announced to be of just $ 250 a week.[11]
Cheers!