Causality Analysis of Xiangjiang River Basin’s Economic Growth and Environmental Vulnerability Based on Information Technology

Abstract

This article measures the environmental vulnerability of Xiangjiang River basin from 1978 to 2008, which based on the principle components analysis method. There is a downward trend in Xiangjiang River basin’s environmental vulnerability of humanistic factors, natural factors and integrated factors. By applying the Granger causality analysis, the results display: economic elements could have the maximum impact on the environment at the end of the lag length, and results in the Granger cause; however, the environment could have the greatest impact that can be achieved on economy at the beginning of the lag period, resulting in the Granger cause.