Fat-Tailed Shocks and the Central Bank Reaction

Marco Ortiz

No 2014-002, Working Papers from Banco Central de Reserva del Perú

Abstract: In this paper we extend the model of Kato and Nishiyama (2005) by introducing fat-tailed shocks in a simple new Keynesian framework where the central bank explicitly considers the zero lower-bound constraint on interest rates. We find that shocks with `excess kurtosis' make monetary policy relatively more aggressive far away from the zero lower bound region though, this difference reverts as the economy gets closer to the constrained region. From a quantitative point of view, our findings suggest that variance-preserving shifts in kurtosis, in the shape of Laplace distributed shocks, do not produce significant effects on the optimal reaction of the central bank.

JEL-codes: C63 E52 E58 (search for similar items in EconPapers)
Date: 2014-02
New Economics Papers: this item is included in nep-cba, nep-mac and nep-mon
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