Gaure, Simen; Roed, Knut; Westlie, Lars - Institute for the Study of Labor (IZA) - 2008
‘lagged’ duration from recent previous spells),
scal
it
d is a spell duration scalar variable, c
it
is
a monthly business …
kit
y , k=1,…,5, be an outcome indicator variable, which is equal to 1 if the corre-
sponding observation month ended in a …