本文利用C-D函数,选取乌海地区1990-2009年的贷款总量、固定资产投资额及GDP作为指标,采取协整分析、格兰杰因果分析及脉冲响应分析等计量方法进行研究,得出金融发展及固定资产投资对经济增长是单向促进作用的结论。为此,要大力发展基础设施建设,控制好信贷投放的节奏及力度,把握好信贷支持的重点及方向,以促进经济又好又快增长。 This paper uses the CD function to select the total loan amount, investment in fixed assets and GDP in Wuhai in 1990-2009 as an indicator, using co-integration analysis, Granger causality analysis and impulse response analysis and other measurement methods to study, draw the financial Development and the conclusion that investment in fixed assets plays a one-way role in promoting economic growth. To this end, we must vigorously develop infrastructure construction, control the pace and intensity of credit delivery, and grasp the key and direction of credit support so as to promote sound and rapid economic growth.