本文探讨中小企业板交易型开放式指数基金(中小板ETF)上市交易对市场质量的影响。研究结果发现:中小板ETF上市交易后,以Amivest比率衡量的中小企业板价格指数(中小板P指数)的流动性是增加的;以GK波动值衡量的中小板P指数的波动性是减小的:市场效率系数法与暂时性价格变动效果分析结果均显示:中小板ETF上市交易后,中小板P指数定价的有效性得到提升。综合来看,引入ETF交易后,中小企业板市场的整体质量变好。
The paper is an empirical study of impact of SME Board ETFs on market quality. The study reveals an increase in liquidity of SME Board Composite Index measured by Amivest Liquidity Ratio and decrease in index volatility measured by Garman and Klass Volatility Ratio. Meanwhile, studies by different approaches show that trading of SME Board ETFs has brought about an enhanced effectiveness of the stock price index. So we can conclude that the overall quality of SME Board is getting improved.