基于持续期限模型,利用美国、日本、中国台湾地区和中国大陆股市的数据,研究各地股市泡沫的存在性,并比较泡沫程度是否会随着信息披露要求的放松,变得更加严重。实证结果表明,各地都存在显著的泡沫,并且随着信息披露要求的放松,各地股市的泡沫程度也变得越加明显和严重,其中中国大陆股市泡沫最为严重,接下来分别是中国台湾地区、日本和美国。
This article makes use of the data from America, Japan, Chinese Taipei and Chinese mainland to compare the degree of bubbles in different stock markets. The empirical results show that the sample markets have obvious bubbles. And with the decreasing of the information disclosure qualities the bubble degree will become more and more obvious. The order of the bubble degree is as follows Chinese mainland, Chinese Taipei, Japan and America.