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The Review of Economics and Statistics Vol. 103 No. 5 2021

Growth Expectations, Undue Optimism, and Short-Run Fluctuations

Zeno Enders1; Michael Kleemann2; Gernot J. Müller3

1 University of Heidelberg and CESifo · 2 Deutsche Bundesbank · 3 University of Tübingen, CEPR, and CESifo

Abstract

This paper proposes a two-step procedure in order to identify belief shocks—shocks to expectations about the current state of the economy. First, we use the Survey of Professional Forecasters to measure nowcast errors about contemporaneous output growth. Second, we extract belief shocks from nowcast errors, once by regressing them on existing measures of structural shocks and once by imposing sign restrictions on a VAR model. Using both approaches, we find that belief shocks trigger similar adjustment dynamics and a high degree of co-movement across macroeconomic variables. Belief shocks account for about onethird of short-run output fluctuations.

DOI
10.1162/rest_a_00949
Volume
103
Issue
5
Pages
905-921
Language
en
Sources
openalex crossref

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