id	keyword
ejpam-2492	� �
ejpam-2492	t �
ejpam-2492	var �
ejpam-2492	t−1 �
ejpam-2492	cov �
ejpam-2492	� ǫt
ejpam-2492	� exp
ejpam-2492	� x
ejpam-2492	� ln
ejpam-2492	x t−1
ejpam-2492	σ2 �
ejpam-2492	� p