Markussen, Simen; Røed, Knut; Røgeberg, Ole J.; … - 2009
rate is extremely high and variable, the sickness insur-
ance system is extremely generous, and the available data are …
(age=30,31,…,60), rather than as a polynomial in a single age-variable. Education is
coded in the form of 65 dummy … his-
tory into parts characterized by constant x
it
and unchanged state (i.e., any change in any
explanatory variable or …