Haldrup, Niels Prof.; Montanes, Antonio; Sansó, Andreu - Department of Economics, University of California-San … - 2000
measurement errors. In this paper we analyse the above types of data irregularities on the behaviour of seasonal unit roots. It … occurs that in most cases outliers and measurement errors can seriously affect inference towards the rejection of seasonal … outliers as well as on the signal to noise ratio associated with measurement errors. Some solutions to the implied inference …