THE ROLE OF ACCOUNTING INFORMATION IN STOCK MARKET LIBERALIZATION: EVIDENCE FROM KOREA |
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| Affiliation: | 1. School of Business, Macau University of Science and Technology, China;2. Shenzhen Audencia Business School, Shenzhen University, China;1. School of Economics & Management, University of Chinese Academy of Sciences, No. 80 of Zhongguancun East Street, Haidian District, Beijing, 100190, PR China;2. Research Center on Fictitious Economy & Data Science, Chinese Academy of Sciences, No. 80 of Zhongguancun East Street, Haidian District, Beijing, 100190, PR China;3. Key Laboratory of Big Data Mining & Knowledge Management, Chinese Academy of Sciences, No. 80 of Zhongguancun East Street, Haidian District, Beijing, 100190, PR China;1. College of Business, RMIT University, Melbourne, Vic. 3001, Australia;2. School of Accounting, College of Business, RMIT University, Melbourne, Vic. 3001, Australia |
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| Abstract: | Stock market liberalization is a decision by a country’s government to allow foreigners to buy securities in that country’s capital market. This study examines how the liberalization of the Korean stock market affected stock price behavior and changed the role of accounting information for investment decisions. The Korean stock market opened its door to foreign investment in 1991. Prior to this, market inefficiencies, such as the superfluous co-movement of stock prices with industry or market indices or investment based on rumor and speculation, were widespread. Since the opening of the stock market to foreigners, a more rational pricing behavior has emerged. This setting provides a unique opportunity to investigate how stock price behavior has changed with market liberalization and what was the role of accounting information in this process. Our results indicate that the co-movement behavior of stock prices by industry decreased and stock price differentiation based on individual firm characteristics increased after market liberalization. The results also show that the explanatory power of accounting numbers increased after market liberalization. Overall, the results imply that foreign investors contributed to the improvement of market efficiency with the opening up of capital markets in Korea. We believe that our results provide useful evidence to other capital markets that are in a similar situation. |
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