长江经济带生产性服务业对制造业竞争力的影响——基于Lasso方法的实证研究

The Effects of Producer Services on the Industries Competitiveness in Yangtze River Economic Zone:An Empirical Research Based on Lasso

在理论分析的基础上,从生产效率、出口升级和获利能力等三个方面构建制造业竞争力的指标体系,并利用Lasso方法研究长江经济带目前的生产性服务业对制造业竞争力的影响。实证结果表明,长江经济带的生产性服务业对制造业竞争力具有一定的促进作用,但尚未成为制造业竞争力提升的首要因素,其作用存在着区域分化的特征。

Based on the theoretical analysis,we choose the product efficiency,the upgrading of exports and the ability of making profits as the indicators system of industries competitiveness and test the effects of producer services on the industries competitiveness in Yangtze River Economic Zone according to Lasso variable selection. According to the empirical research,the producer services of Yangtze River Economic Zone do promote the industries competitiveness. However they are not the leading factors. Moreover,the effects have the characteristic of regional differentiation.