SELECTION OF THE NUMBER OF FACTORS IN PRESENCE OF STRUCTURAL INSTABILITY: A MONTE CARLO STUDY

Charles Olivier Mao Takongmo and Dalibor Stevanovic

L'Actualité Economique, 2015, vol. 91, issue 1-2, 177-233

Abstract: In this paper we study the selection of the number of primitive shocks in exact and approximate factor models in the presence of structural instability. The empirical analysis shows that the estimated number of factors varies substantially across several selection methods and over the last 30 years in standard large macroeconomic and financial panels. Using Monte Carlo simulations, we suggest that the structural instability, expressed as time-varying factor loadings, can alter the estimation of the number of factors and therefore provides an explanation for the empirical findings.

Date: 2015
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Working Paper: Selection of the number of factors in presence of structural instability: a Monte Carlo study (2014)
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Persistent link: https://EconPapers.repec.org/RePEc:ris:actuec:0118

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