Template-type: ReDIF-Paper 1.0 Author-Name: Bent Nielsen Author-Workplace-Name: Nuffield College, Oxford Author-Email: bent.nielsen@nuffield.ox.ac.uk Author-Name: Xiyu Jiao Author-Workplace-Name: Department of Economics, University of Oxford and Mansfield College Author-Email: xiyu.jiao@mansfield.ox.ac.uk Title: Asymptotic Analysis of Iterated 1-step Huber-skip M-estimators with Varying Cut-offs Abstract: We consider outlier detection algorithms for time series regression based on iterated 1-step Huber-skip M-estimators. This paper analyses the role of varying cut-offs in such algorithms. The argument involves an asymptotic theory for a new class of weighted and marked empirical processes allowing for estimation errors of the scale and the regression coefficient. Keywords: The iterated 1-step Huber-skip M-estimator; Tightness; A fixed point; Poisson approximation to gauge; Weighted and marked empirical processes. Length: 28 pages Creation-Date: 2016-08-25 Number: 2016-W08 File-URL: https://www.nuffield.ox.ac.uk/economics/papers/2016/AMISTAT2016Aug24DP.pdf File-Format: application/pdf Handle: RePEc:nuf:econwp:1608