摘 要:动量效应主要是在股票市场出现的一种异象,它异于股市上传统的理论。目前已有不少学者在各大板块市场发现了它的存在。本文是对创业板市场上动量效应的存在性进行研究,基于以往学者的研究方法,采用了传统的重叠抽样法,选取了创业板市场上的股票周收益数据作为基础样本,通过建立动量效益投资策略组合,并将公司规模大小、换手率的高低以及交易成本的大小等因素考虑进去,研究发现创业板市场确实存在动量效应。这一发现可以帮助人们正确的认识市场的本质特征,并为投资者作出明智的投资决策提供了依据。56340
毕业论文关键词:创业板,动量效应,重叠抽样,动量策略
Abstract:The momentum effect is mainly in the stock market appeared a kind of vision,it is different from the stock market on the traditional theory.There are many scholars found it exists in each big plate market.This article is about the existence of the momentum effect on the growth enterprise market research,based on previous academic research methods,using the traditional overlap sampling method,select the stock weekly earnings figures on the growth enterprise market as the basis of sample.Through the establishment of momentum benefit investment strategy combinations,and company size, high and low turnover rate, and the size of the transaction costs and other factors into consideration.The study found that the growth enterprise market is indeed the momentum effect.The findings could help people correct understanding the essential characteristics of the market and provide the basis for investors to make informed investment decisions.
Key words: GEM,momentum effect, overlap sampling, momentum strategies
目录
1 引言 4
1.1 研究背景及现状 4
1.2 研究意义 5
2 动量效应理论的提出及发展 5
2.1 动量效应的概念 5
2.2 国外对动量效应的研究 5
2.3 国内对动量效应的研究 6
3 创业板上市公司动量效应存在性研究 6
3.1 动量效应的影响因素 6
3.1.1 公司规模大小 6
3.1.2 股票价格的高低 7
3.1.3 股票换手率(或成交量)的大小 7
3.1.4 交易成本大小 8
3.2 动量效应的度量指标 9
3.2.1 形成期与持有期的长度 9
4 模型构建及数据选取 11
4.1 数据选取及方法说明 11
4.2 模型构建 12
5 关于创业板上市公司动量效应实证结果分析 13
5.1 股市动量效应成因理论说明 13
5.1.1投资者的心理 13
5.1.2转型股市下的体制性缺陷 13
5.1.3信息制度缺陷 14
结 论 15
参考文献 16
致谢 17
1 引言