在国内上市时H股所受的影响:事件研究法

The Impact of Domestic Listing on the H Shares:An Event Study Approch

摘要: 本文就相应的A股上市对H股的影响作一经验研究．利用事件分析的标准方法考察了双重上市日期前后的每日异常回报，表明了双重上市对回报有负的作用．虽然这一结果迄今未能获得令人满意的解释，却与前人研究的结果相一致．
我国国有企业，通过H股的发行，虽然达到了吸引外资的初始目标，但鉴于本文的研究结果，即随着相应A股日后在国内上市而给H股带来负面效应，将会使H股的发行更为困难．这一可能的后果是不容忽视的。

Abstract: This paper empirically examines the impact of the listing of corresponding A shares on Ⅱshares. Using standard cvent methodology to examine the daily abnormal returns around thedual listing date shows that the dual listing has a negative ellect on returns. this is consistentwith previous studies although satisfactory explanation has not been offered.