基于DEA模型的重庆市投资有效性分析

运用数据包络分析(DEA)方法,对直辖以来重庆市固定资产投资的相对效率进行测算,认为全市投资效率偏低;在三大经济区中,都市发达经济圈和渝西经济走廊投资相对有效,而三峡库区生态经济区投资相对无效.建议重庆各区(市)县优化投资结构,提高投资效率,以利于经济增长方式向集约型转变.

Validity Analysis of the Investment Based on DEA Model in Chongqing

This article evaluates the relative efficiency of the fixed asset investment in Chongqing since 1997 through by the DEA method.One of the results shows that the whole investment efficiency is on the low side.Another is the relative validity had been found in the developed city economy circle and in the Chongqing-west economy aisle,whereas the investment in the Three Gorges zoology economy section is comparatively inefficiency.We suggest that the counties and distracts in Chongqing should optimize the investment structure and promote the investment efficiency.Thereby the waste development fashion existing will be changed into intensive one.