Nielsen, Morten Oerregaard - School of Economics and Management, University of Aarhus
Keywords: Fractional Cointegration; Fractional Integration; Whittle Likelihood; Long
Memory; Realized Volatility … dependence. Sometimes, z
t
is said to have intermediate memory, short
memory, and long memory when d<0, d =0,andd>0, respectively … the errors both have long memory, they are potentially correlated even at very long hori-
zons, thus rendering the OLS …