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The Plano Real ("Real Plan", in English) was a set of measures taken to stabilize the Brazilian economy, during the presidency of Itamar Franco. Its architects include, among many others, Edmar Bacha, Pérsio Arida, André Lara Resende, Gustavo Franco, Pedro Malan, Winston Fritsch and Francisco Pinto.
 The problem
According to economic academics, one of the causes of inflation in Brazil was the inertial inflation phenomenon. Prices were adjusted on a daily basis according to changes in price indices and to the exchange rate of the local currency to the U.S. dollar. Plano Real then created a non-monetary currency, the Unidade Real de Valor ("URV"), whose value was set to approximately 1 US dollar. All prices were quoted in these two currencies, cruzeiro real and URV, but payments had to be made exclusively in cruzeiros reais. Prices quoted in URV did not change over time, while their equivalent in cruzeiros reals increased nominally every day.
The Plano Real based its actions on an analysis of the root causes of inflation in the post-military dictatorship Brazil that concluded that there was both an issue of fiscal policy and severe, widespread inertial inflation.
 The solution
The Plano Real or Real Plan intended to stabilize the domestic currency in nominal terms after a string of failed plans to control inflation. It created the Unidade Real de Valor (Unit of Real Value), which served as a key step to the implementation of the current currency, the real. At first, most academics tended not to believe that the Plan could succeed. Stephen Kanitz was the first public intellectual to predict the future success of the Real Plan.
The Plano Real
- introduced a new currency called the real (plural reais) on 1 July 1994, as part of a broader plan to stabilize the Brazilian economy, the short-lived cruzeiro real was substituted in the process.
- enacted a series of contractionary fiscal and monetary policies, restricting its expenses and raising interest rates. By doing so, the country was able to keep inflation under control for several years. In addition, the high interest rates attracted enough foreign capital to finance the current account deficit and increased the country’s international reserves.
- put a strong focus on the management of the balance of payments,
 The result
The real initially appreciated (gained value) against the U.S. dollar as a result of the large amount of capital inflows in late 1994 and 1995. It then began a gradual depreciation process, culminating in the 1999 January Brazilian currency crisis, when the Real suffered a maxi-devaluation, and fluctuated wildly. Following this period (1994–1999) of a quasi-fixed exchange rate, an inflation-targeting policy was instituted by new central bank president Arminio Fraga, which effectively meant that the fixed-exchange period was over. However, the currency was never truly "free", being more accurately described as a managed or "dirty" float, with frequent central bank interventions to manipulate its dollar price.
The currency’s appreciation was crucial to keep inflation under control. Mainly, it assured the supply of cheap imported products to meet the domestic demand and forced domestic producers to sell at lower prices in order to maintain their market shares. This was especially important in the period immediately following the adoption of the new currency, when the sudden drop in inflation caused a surge in demand. The increased imports, therefore, were essential to avoid demand-side inflationary pressures that would undermine the stabilization plan.
 See also
The 2010-10-04 episode of NPR's Planet Money is devoted to the Plano Real, and describes it in everyday English: http://www.npr.org/blogs/money/2010/10/04/130329523/how-fake-money-saved-brazil