1. Adrian , T. P. Colla H. S. Shin 2012
2. Angelopoulou , E. H. Balfoussia H. Gibson 2013
3. Determining the Number of Factors in Approximate Factor Models’;Bai;Econometrica,2002
4. Beaton , K. R. Lalonde C. Luu 2009
5. Measuring the Effects of Monetary Policy: A Factor-Augmented Vector Autoregressive (FAVAR) Approach’;Bernanke;Quarterly Journal of Economics,2005