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Monetary Policy, External Instruments and Heteroskedasticity

Maximilian Podstawski, Thore Schlaak and Malte Rieth ()

No 1749, Discussion Papers of DIW Berlin from DIW Berlin, German Institute for Economic Research

Abstract: We develop a vector autoregressive framework for combining the information in an external instrument with the information in the second moments of the data to identify latent monetary shocks in the United States. We show that the framework improves the identification of the structural model and allows testing the validity of instruments proposed in the literature. Using a valid instrument, we then document that surprise monetary contractions lead to a medium-sized significant decline in economic activity, that the contractionary effect is also present during the great moderation, and that the role of monetary shocks in driving real and financial fluctuations is small in low and big in high volatility regimes.

Keywords: Monetary policy; structural vector autoregressions; identification with external instruments; heteroskedasticity; Markov switching (search for similar items in EconPapers)
JEL-codes: E52 C32 E58 E32 (search for similar items in EconPapers)
Pages: 31 p.
Date: 2018
New Economics Papers: this item is included in nep-cba, nep-ecm, nep-ets, nep-mac and nep-mon
References: View references in EconPapers View complete reference list from CitEc
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