He, Changli (contributor); Sandberg, Rickard (contributor) - 2005 - [Elektronische Ressource], Rev. February 18, 2005
the PLSTAR(1) model.
Assumption 1 (A1) Let fuitgi;t2N be an i.i.d. sequence of random variables such that
E(uit) = 0 and E(u …2it) = 2u hold for all i and t. (A2) The individual e�ect i equals 0
for all i. (A3) E(u4it) = 4 < 1 for all i and t … errors uit in Assumption 1 are assumed to be i.i.d. such that E(uit) = 0 and
E(u2it) = 2u hold for all i and t, but this is …