我國(guó)上市公司股份回購(gòu)公告效應(yīng)及其影響因素研究
[Abstract]:In China, although there is still no environment for large-scale share buybacks like foreign mature capital markets, it is undeniable that Share repurchase is playing an indispensable role in the management of the company and the standardized development of China's capital market. Macroscopically, the share repurchase promotes the further completion of the reform of the split share structure in our country, which is beneficial to the orderly and efficient operation of the capital market in our country. At the same time, it revitalizes the state-owned assets and realizes the strategic adjustment of the state-owned assets. Microscopically, the reduction of state-owned shares and legal person shares improves the ownership structure of listed companies, helps to improve the management level of the company, and the repurchase also improves the structure of the assets of the company, which is beneficial to the exertion of the role of financial leverage. Although the stock repurchase started late in our country and there are still many deficiencies in the related system, it does not prevent the stock repurchase from rapidly growing into one of the important management tools of listed companies in our country. In the past period of time, domestic scholars have made some achievements in the research on the announcement effect of share buyback and its influencing factors, but through sorting out the existing literature, it is found that the research on the effect of share buyback announcement and its influencing factors has been achieved. Most of the existing research results in China are early state-owned share repurchase, while the research on tradable shares repurchase is less. Due to the late start, the structure of the split share structure and other reasons, there are some deficiencies in the existing research in China. However, with the completion of the reform of the split share structure and the increase in the number of buybacks, The existing research has been unable to reflect the current situation of China's capital market. In view of the shortcomings of the existing research literature, this paper discusses the market effect and its influencing factors of stock repurchase announcement of listed companies in China by means of event study, comparative study and multiple regression analysis, combined with relevant research theory. Firstly, the paper uses the event research method to analyze the stock price performance before and after the share repurchase announcement. Then, from the time of repurchase, the way of repurchase, the source of repurchase funds and whether or not repurchase is combined with stock reform, the paper examines whether repurchase is different due to the different time of repurchase. Different sources of repurchase funds and whether they are issued at the same time as the stock reform announcement; Finally, the multiple regression analysis method is used to analyze the influencing factors of the announcement effect of share repurchase. The results are as follows: 1. China's A-share market has a positive response to the announcement of share repurchase, and the market effect before the announcement is better than the market effect after the announcement; 2. During the stock reform period, the share price of the company that issued a repurchase announcement and directed repurchase in exchange for the shares of the Company in exchange for assets rather than cash and the share price of the company that announced the share repurchase at the same time as the stock reform announcement rose sharply first and then experienced a decline. After the full circulation, the share prices of the companies that issued repurchase announcements, repurchased through centralized bidding transactions, cash repurchases and individual repurchases began to increase significantly one or two days before the announcement date, and there was no decline in the announcement date. Overall, there is still a rise; 3. After the announcement, the market performance of the share price of cash repurchase and individual repurchase company was obviously better than that of asset replacement repurchase and stock reform. 4. After an empirical test of the influence of company characteristics and repurchase business characteristics on announcement effect of share repurchase, it is found that the net asset return rate, company size and announcement effect are negatively correlated, while the ratio of repurchase and the time of repurchase are positively correlated with announcement effect.
【學(xué)位授予單位】:江南大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2012
【分類號(hào)】:F233;F832.51;F224
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