أختبار الفرضية الخطية لمبيعات الشركة العامة للصناعات الكهربائية

Abstract

In this study, the four tests employed for non-linear dependence which is Engle (1982), McLeod &Li (1983), Tsay (1986), and Hinich & Patterson (1995).To test the null hypothesis that the time series is a serially independent and identical distribution process .The linear structure is removed from the data which is represent the sales of State Company for Electrical Industries, through a pre-whitening model, AR (p) model .From The results for tests to the data is not so clear. ‫العلوم‬ ‫جملة‬‫العلوم‬ ‫جملة‬ ‫واإلدا‬ ‫االقتصادية‬ ‫واإلدا‬ ‫االقتصادية‬ ‫رية‬ ‫رية‬ ‫اجمللد‬ ‫اجمللد‬ 81 81 ‫العدد‬ ‫العدد‬ 6 67 7 ‫الصفحات‬ ‫الصفحات‬ 912 912 --:0; :0;