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Marco Lippi

16 January 2007
WORKING PAPER SERIES - No. 712
Details
Abstract
This paper shows how large-dimensional dynamic factor models are suitable for structural analysis. We establish sufficient conditions for identification of the structural shocks and the associated impulse response functions. In particular, we argue that, if the data follow an approximate factor structure, the “problem of fundamentalness”, which is intractable in structural VARs, can be solved provided that the impulse responses are sufficiently heterogeneous. Finally, we propose a consistent method (and n, T rates of convergence) to estimate the impulse-response functions, as well as a bootstrapping procedure for statistical inference.
JEL Code
E0 : Macroeconomics and Monetary Economics→General
C1 : Mathematical and Quantitative Methods→Econometric and Statistical Methods and Methodology: General