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This study aims to identify the preferences of the monetary authority in the Peruvian regime of inflation targeting through the derivation of optimal monetary rules. To achieve that, we used a calibration strategy based on the choice of values of the parameters of preferences that minimize the square deviation between the true interest rate and interest rate optimal simulation. The results showed that the monetary authority has applied a system of flexible inflation targeting, prioritizing the stabilization of inflation, but without disregarding gradualism in interest rates. On the other hand, concern over output stabilization has been minimal, revealing that the output gap has been important because it contains information about future inflation and not because it is considered a variable goal in itself. Finally, when the smoothing of the nominal exchange rate is considered in the loss function of the monetary authority, the rank order of preferences has been maintained and the smoothing of the exchange rate proved insignificant.
Este estudo objetiva identificar as preferências da autoridade monetária peruana sob o regime de metas de inflação através da derivação de regras monetárias ótimas. Para atingir tal objetivo, nós usamos uma estratégia de calibração baseada na escolha dos valores dos parâmetros de preferências que minimizam o desvio quadrático entre a verdadeira taxa de juros e a taxa de juros ótima simulada. Os resultados evidenciaram que autoridade monetária tem aplicado um regime de metas de inflação flexível, priorizando a estabilização da inflação, mas sem ter desprezado o gradualismo da taxa de juros. Por outro lado, a preocupação pela estabilização do produto tem sido mínima, revelando que o hiato do produto tem sido importante porque ela contém informação sobre a inflação futura e não porque seja considerada como uma variável meta em si mesma. Finalmente, quando o suavizamento da taxa de câmbio nominal é considerado na função perda da autoridade monetária, a ordem de importância das preferências tem-se mantido, e o suavizamento da taxa de câmbio apresentou um peso insignificante

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