1. D. W. K. Andrews, and P. Guggenberger(2007 ) Hybrid and size-corrected subsample methods . Cowles Foundation Discussion Paper No. 1606, Yale University. Available at http://cowles.econ.yale.edu.
2. M. J. Bobkowski(1983 ) Hypothesis testing in nonstationary time series . Unpublished Ph. D. Thesis, University of Wisconsin, Madison.
3. Time Series: Theory and Methods
4. C. Cavanagh(1985 ) Roots local to unity . Unpublished manuscript, Department of Economics, Harvard University.
5. Asymptotic Inference for Nearly Nonstationary AR(1) Processes