Investigating dynamic relationship among stock markets has received considerable attention by both academics and practitioners. Hence, this study presents new integrated model, Grey-VAR Model, to modify Granger causality test procedure that can investigate dynamic relationships of high-tech industries. These results provide evidences that there exist the short-term equilibrium relationship of high-tech industries and the investors can alter portfolio allocation.
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AFRICAN JOURNAL OF BUSINESS MANAGEMENT 卷: 5 期: 1 頁數: 13-18