Estimando o Produto Potencial Brasileiro: Uma Abordagem de Função de Produção

Tito Nícias da Silva Filho

No 17, Working Papers Series from Central Bank of Brazil, Research Department

Abstract: Estimating potential output is at the same time one of the issues of greatest uncertainty in economics and greatest importance for policymakers, an unpleasant combination. This uncertainty fostered the emergence of several methods for calculating the potential output. In this work, the production function approach was chosen because it has important advantages compared to others, although it has limitations. The preliminary results found for the Brazilian economy are the following: a) total factor productivity (TFP) decreased in the last two decades, however, the negative trend was reverted after 1992 and, since then, TFP has been growing, on average, 0,9% per year; b) since 1980, most of the time the Brazilian economy has been below its potential. The years with strongest activity were 1980, 1985 and 1986; c) simulations involving different scenarios for investment and TFP growth rates, show that the average potential output growth for the 2001-05 period should be between 3,3% and 4,5%; d) although these figures are much lower than those registered before 1980, they are higher than the average GDP growth in the last two decades; e) because of the deep structural changes the Brazilian economy has been experiencing recently, we can expect TFP growth to increase in the next years. Even so, without increasing investment rates significantly, Brazil will not grow at rates near to its historical average.

Date: 2001-04
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Citations: View citations in EconPapers (6)

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