Maican, Florin G.; Sweeney, Richard J. - Nationalekonomiska institutionen, Handelshögskolan - 2012
This paper examines power issues for the ADF and four break models (Perron 1989, Zivot and Andrews 1992) when the DGP corresponds to one of the break models. Choosing to test an incorrect break model can but need not greatly reduce the probability of rejecting the null. Break points that are...