股市暴涨暴跌的界定及比较——以中国、美国、英国、日本股市为例

The Analysis and Comparative Study of Stock Market Extreme ups and downs——Based on Stock Markets of China,US,UK and Japan

本文运用经验分布函数对中、美、英、日四国股市的暴涨暴跌进行了界定,并对四国股市暴涨暴跌的表现进行了比较分析。相比其它三国,中国股市在过去15年间成长性最强,暴涨暴跌的幅度最大,表现出较强的"政策驱动型"特征。美、英、日股市的暴涨暴跌呈现出明显的"市场和事件驱动型"特征。英国和美国股市波动呈现出较强的同步性,但日本股市波动较为独特。政策建议上,各国应通力合作,以应对全球系统性风险对股市的影响;中国政府应加强股市的市场化建设,同时谨慎开放资本市场。

This paper examines the extreme volatilities of stock markets of China, US, UK and Japan, and makes the comparative analysis. We find out that Chinese stock market shows the fastest growth, the extremist up and downs, and the policy- driven characteristics. US, UK and Japan stock markets show the clear market- and- event - driven characteristics. Furthermore, UK and US markets show the similar volatility trends, while the Japanese stock market has its specific volatility feature. In policy implications, every country should exert to cooperate with each other, in cope with the global systematic risk. Chinese government should strengthen the constructions of maketization of stock market, and open the capitalmarket prudentially.