Directors need to guide and govern companies on behalf of and for the benefit of shareholders and stakeholders (Adams, Hermalin, & Weisbach, 2010; "Duties of directors," 2011). However questions remain as to whether boards with higher levels of diversity amongst directors are better equipped to...

In this paper we study the zero frequency spectral properties of fractionally cointegrated long memory processes and introduce a new frequency domain principal components estimator of the cointegration space and the factor loading matrix for the long memory factors. We find that for fractionally...