Empirical growth-rate distributions of major macroeconomic aggregates are typically non-Normal and exhibit fat tails. We advance the idea that indeterminacies in standard rational expectations models can qualify as a source of high-frequency extreme macroeconomic outcomes. In a univariate setup, we demonstrate the emergence of fat-tailed behavior for an endogenous variable even though structural and sunspot shocks both follow Normal distributions.

Sunspot-driven fat tails: A note

Sorge, Marco M.
2020-01-01

Abstract

Empirical growth-rate distributions of major macroeconomic aggregates are typically non-Normal and exhibit fat tails. We advance the idea that indeterminacies in standard rational expectations models can qualify as a source of high-frequency extreme macroeconomic outcomes. In a univariate setup, we demonstrate the emergence of fat-tailed behavior for an endogenous variable even though structural and sunspot shocks both follow Normal distributions.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11386/4747699
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