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政策性事件對(duì)深圳A股隱性交易成本的影響

發(fā)布時(shí)間:2018-10-05 11:59
【摘要】:本文基于Hasbrouck(2009)提出的貝葉斯Gibbs抽樣估計(jì)方法,用深圳A股市場(chǎng)個(gè)股的日收盤(pán)價(jià)數(shù)據(jù)測(cè)算其隱性交易成本,并在此基礎(chǔ)上選取有關(guān)交易制度的八個(gè)典型政策事件,用事件研究法考察證券交易制度對(duì)深圳A股市場(chǎng)隱性交易成本的影響。研究表明:(1)隱性交易成本具有季節(jié)效應(yīng),上半年的隱性交易成本高于下半年,且第二季度最高;(2)牛市階段的隱性交易成本略高于熊市階段;(3)T+1制度、ST制度降低了市場(chǎng)的流動(dòng)性,,增加市場(chǎng)的交易成本;(4)漲跌幅限制可在短期內(nèi)明顯降低隱性交易成本,但漲跌幅限制在降低波動(dòng)性的同時(shí)又會(huì)限制市場(chǎng)的流動(dòng)性,增加交易成本;(5)PT制度可以增加市場(chǎng)即期的流動(dòng)性,降低交易成本;(6)實(shí)行大宗交易制度、調(diào)整擴(kuò)大買(mǎi)賣(mài)盤(pán)揭示范圍、上市公司回購(gòu)流通股操作細(xì)則頒布實(shí)施反而增加了市場(chǎng)的隱性交易成本;(7)實(shí)行集合競(jìng)價(jià)收盤(pán)制度有助于降低隱性交易成本,提高市場(chǎng)流動(dòng)性。在實(shí)證研究的基礎(chǔ)上,本文提出完善證券交易制度的相關(guān)政策建議。
[Abstract]:Based on the Bayesian Gibbs sampling estimation method proposed by Hasbrouck (2009), this paper uses the daily closing price data of individual stocks in Shenzhen A-share market to calculate its implicit transaction cost, and on this basis selects eight typical policy events related to the trading system. The influence of securities trading system on implicit transaction cost in Shenzhen A-share market is investigated by event-research method. The results show that: (1) the implicit transaction cost has seasonal effect, the implicit transaction cost in the first half of the year is higher than that in the second half year and the highest in the second quarter, (2) the implicit transaction cost in the bull market stage is slightly higher than that in the bear market stage; (3) the T1 / St system reduces the liquidity of the market and increases the transaction cost of the market. (4) the fluctuation limit can obviously reduce the implicit transaction cost in the short term, but the fluctuation limit will limit the liquidity of the market at the same time. Increase transaction costs; (5) PT system can increase market spot liquidity, reduce transaction costs; (6) implement a large trading system, adjust and expand the scope of order disclosure, On the contrary, the implementation of the operational rules of repurchase and circulation of listed companies increases the hidden transaction costs of the market; (7) the implementation of the collective bidding and closing system helps to reduce the hidden transaction costs and improve the liquidity of the market. On the basis of empirical research, this paper puts forward some policy suggestions to perfect the securities trading system.
【學(xué)位授予單位】:暨南大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2013
【分類(lèi)號(hào)】:F832.51

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