Pandey, Manoj K.; Kaur, Charanjit - 2009
under particular study will be integrated to the order of one I(1),
possibilities remain open for getting variables which …). At this stage unit root testing of the individual series is required. In
order to decide the optimal number of lag … Philips-Perron (PP) tests are used to test the unit root properties for individual series used in
the analysis. Results of …