This study discusses the importance of investment-specific technological change for the Brazilian macroeconomy. We document evidence that a model that takes this specific type of technical progress into account is better suited to explain the Brazilian economy over the long term. We then present a DSGE [Dynamic Stochastic General Equilibrium] model with two sectors that incorporates technical progress in the investment goods sector and estimate the model for Brazil. The results demonstrate that

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... productivity shocks in the investment goods sector are more volatile and persistent than in the final goods sector and that the output gap has a greater variance in the two-sector model. In addition, these results recommend a more rigorous monetary policy prescription to improve the economy's well-being.