從個(gè)股流動(dòng)性看信息透明度與股價(jià)同步性
發(fā)布時(shí)間:2018-01-04 00:31
本文關(guān)鍵詞:從個(gè)股流動(dòng)性看信息透明度與股價(jià)同步性 出處:《會(huì)計(jì)之友》2017年17期 論文類型:期刊論文
更多相關(guān)文章: 股票流動(dòng)性 透明度 股價(jià)同步性 股權(quán)分置改革
【摘要】:通過我國(guó)A股上市公司的數(shù)據(jù)分析,采用固定效應(yīng)方法,控制行業(yè)和年度效應(yīng),經(jīng)實(shí)證檢驗(yàn)發(fā)現(xiàn)個(gè)股流動(dòng)性與股價(jià)同步性呈正相關(guān)關(guān)系。這是因?yàn)橐环矫媪鲃?dòng)性越大則促進(jìn)了股票交易,導(dǎo)致股票價(jià)格反映私有信息程度變化;另一方面是流動(dòng)性加大則會(huì)改善企業(yè)信息透明度。進(jìn)一步的研究發(fā)現(xiàn):隨著我國(guó)股權(quán)分置改革的完成,流通股數(shù)量增加,個(gè)股流動(dòng)性增強(qiáng),進(jìn)而使得這種關(guān)系加強(qiáng)。文章的主要貢獻(xiàn)在于,一是把市場(chǎng)微觀結(jié)構(gòu)的理論概念——流動(dòng)性和公司財(cái)務(wù)領(lǐng)域的現(xiàn)象——股價(jià)同步性相結(jié)合起來進(jìn)行研究,有助于兩者的進(jìn)一步融合;二是根據(jù)我國(guó)股權(quán)分置改革的準(zhǔn)自然實(shí)驗(yàn),對(duì)該關(guān)系做了進(jìn)一步的檢驗(yàn),不但有助于檢驗(yàn)股權(quán)分置改革的實(shí)施效果,更是為未來探索股價(jià)同步性提供了一種新的思路。
[Abstract]:Through the data analysis of A-share listed companies in China, the fixed effect method is used to control the industry and annual effects. It is found that there is a positive correlation between the liquidity of individual stock and the synchronicity of stock price. This is because on the one hand, the greater the liquidity is, the more liquidity promotes the stock trading, which leads to the change of the degree of private information reflected in the stock price. On the other hand, the increase of liquidity will improve the transparency of enterprise information. Further research found: with the completion of the reform of the split share structure, the number of outstanding shares increased, and the liquidity of individual stocks increased. The main contribution of this paper is to combine the theoretical concept of market microstructure-liquidity with the phenomenon of corporate finance-stock price synchronism. Facilitate further integration of the two; Second, according to the quasi-natural experiment of the split share structure reform in China, the further test of this relationship is not only helpful to test the effect of the reform. It also provides a new way to explore the synchronism of stock price in the future.
【作者單位】: 鄭州煤炭工業(yè)(集團(tuán))有限責(zé)任公司;
【分類號(hào)】:F832.51
【正文快照】: 一、引言市場(chǎng)作為一種信息傳導(dǎo)機(jī)制,其最為重要的一個(gè)功能就是將匯總到市場(chǎng)上的信息反映到價(jià)格之中,進(jìn)而通過價(jià)格引導(dǎo)資源的配置。股票價(jià)格這種引導(dǎo)資源配置的作用取決于其反映公司真實(shí)信息的能力。相對(duì)于歐美市場(chǎng),作為新興市場(chǎng)的中國(guó)股票市場(chǎng),股票價(jià)格往往包含著較大的噪音,
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