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Semiparametric Estimation and Inference for Trending I(D) and Related ProcessesKarim M. AbadirImperial College Business School Walter DistasoImperial College Business School Liudas GiraitisUniversity of York - Department of Mathematics and Economics March 12, 2007 Abstract: This paper deals with estimation and hypothesis testing in models allowing for trending processes that are possibly nonstationary, nonlinear, and non-Gaussian. Using semi-parametric estimators, we obtain asymptotic confidence intervals for the trend and memory parameters, and we develop joint hypothesis testing for these. The confidence intervals are applicable for a wide class of processes, exhibit good coverage accuracy, and are easy to implement.
Number of Pages in PDF File: 27 working papers seriesDate posted: January 14, 2012Suggested CitationContact Information
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