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Autor:innen: 
Erscheinungsjahr: 
2004
Schriftenreihe/Nr.: 
Working Paper No. 525
Verlag: 
Queen Mary University of London, Department of Economics, London
Zusammenfassung: 
The paradigm of a factor model is very appealing and has been used extensively in economic analyses. Underlying the factor model is the idea that a large number of economic variables can be adequately modelled by a small number of indicator variables. Throughout this extensive research activity on large dimensional factor models a major preoccupation has been the development of tools for determining the number of factors needed for modelling. This paper provides an alternative method to information criteria as tools for estimating the number of factors in large dimensional factor models. The theoretical properties of the method are explored and an extensive Monte Carlo study is undertaken. Results are favourable for the new method and suggest that it is a reasonable alternative to existing methods.
Schlagwörter: 
Factor models, Large sample covariance matrix, Maximum eigenvalue
JEL: 
C12
C15
C23
Dokumentart: 
Working Paper

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