技术创新对市场结构的影响研究——基于我国36个工业行业大中型企业面板数据FGLS分析

被引:5
作者
张政
机构
[1] 湖南大学经济与贸易学院
关键词
技术进步; 市场结构; 市场集中度; 面板数据; FGLS分析;
D O I
暂无
中图分类号
F425 [工业企业组织和经营管理]; F273.1 [企业技术管理]; F224 [经济数学方法];
学科分类号
0701 ; 070104 ;
摘要
以我国36个工业行业的大中型企业面板数据为样本,在Nickell的动态误差修正模型的基础上构建FGLS计量模型,探讨了技术创新对我国市场结构的影响。研究发现,无论从短期还是长期来看,技术创新都显著降低了行业的市场集中度,但影响幅度较小。对技术水平不同的行业组的计量分析也得到了类似结果。这意味着技术进步有利于降低行业壁垒、提高市场竞争度。加大研发投入,提高创新能力,有效控制市场规模,防止市场集中度过高,对于深化垄断行业改革、优化市场结构具有重要的政策启示。
引用
收藏
页码:16 / 22
页数:7
相关论文
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