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Erscheinungsjahr: 
2017
Schriftenreihe/Nr.: 
CESifo Working Paper No. 6799
Verlag: 
Center for Economic Studies and ifo Institute (CESifo), Munich
Zusammenfassung: 
We propose a new non-recursive identification scheme for uncertainty shocks, which exploits breaks in the unconditional volatility of macroeconomic variables. Such identification approach allows us to simultaneously address two major questions in the empirical literature on uncertainty: (i) Does the relationship between uncertainty and economic activity change across macroeconomic regimes? (ii) Is uncertainty a major cause or effect (or both) of decline in economic activity? Empirical results based on a small-scale VAR with US monthly data for the period 1960-2015 suggest that (i) the effects of uncertainty shocks are regime-dependent, and (ii) uncertainty is an exogenous source of decline of economic activity, rather than an endogenous response to it.
Schlagwörter: 
heteroscedasticity
identification
non-recursive SVAR
uncertainty shocks
volatility regime
JEL: 
C32
C51
E44
G01
Dokumentart: 
Working Paper
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