摘要
企业规模分布刻画了一个经济体或一个产业整体企业成长状态及其动态演进过程,反映了该经济体或该产业的市场结构及其产业组织演进的特征事实。基于1998—2007年我国新一代信息技术产业企业相关数据,同时采用对数正态分布、Zipf分布、SCL、FSS等4种分布函数拟合并检验了我国新一代信息技术产业的企业规模分布状况。结果表明:SCL、FSS分布函数对我国新一代信息技术产业企业规模分布拟合的效果比Zipf分布函数拟合的效果要好,而对数正态分布拟合效果最好;数据还显示,2005—2007年我国新一代信息技术产业企业规模分布渐进趋向稳定状态。考虑到不同规模的企业规模分布的差异性,对大、中、小型企业规模进一步研究发现:我国新一代信息技术产业中、小型企业的规模分布更趋向对数正态分布,而大型企业更偏离对数正态分布。通过我国新一代信息技术产业的企业规模分布的拟合及检验,可以为理解我国新一代信息技术产业的市场结构及其产业组织演进的特征,为推动我国新一代信息技术产业发展相关政策的制定提供现实的借鉴。
The firm size distribution depicts the growth status and dynamic evolution process in an economy or an industry as a whole. It reflects the market structure of the economy or the industry and the characteristics of the industrial organization evolution. With the data of China＇ s new generation information technology industrial frims from 1998 to 2007, we use four fitting functions including lognormal distribution, Zipf distribution, SCL, FSS function to fit and test the firm＇ s size distribution. The results show that lognormal distribution fits the firm＇ s size distribution best. In addition, the data also shows that during the 2005-2007 period, the firm＇ s size distribution of China＇ s new generation information technology industry gradually tends to be in the steady state. Taking into account the differences of the firms＇ size, further studies shows that, compared with the large enterprises, the middle and small firm＇s size distributions tend to be more lognormal distribution. The research can benefit understanding the stylistic facts of the firm size distribution of China＇ s new generation information technology industry, and can also provide some references for the policies setting-up to promote the development of China＇ s new generation information technology industry.
出处
《科技与管理》
2017年第5期78-86,共9页
Science-Technology and Management
基金
全国统计科学研究项目(2015LY39)
浙江省哲学社会科学规划课题项目(17NDJC109YB)
宁波大学人文社会科学培育项目(XPYB16006)
关键词
Gibrat定律
新一代信息技术产业
企业规模分布
Gibrat＇ s law
new generation information technology industry
firm＇ s size distribution
