Otter, Pieter W.; Jacobs, Jan P.A.M. - Faculteit Economie en Bedrijfskunde, Rijksuniversiteit … - 2006
This paper employs concepts from information theory in factor models. We show that in the exact factor model the whole distribution of eigenvalues of the covariance matrix contributes to the information and not only the largest ones. In addition, we derive the condition that the first q say...