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The China A shares follow random walk but the B shares do not

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Author Info
Dat Bue Lock () (Feng Chia University)
Abstract

The China A-Share stocks and the China B-Share stocks are common stocks issued by companies incorporated in China. These two classes of common stocks differ in the nationality of the investors each is restricted to by law. For the most part, the A shares, quoted in the Chinese yuan, or renminbi, are for Chinese nationals while the B shares, quoted in foreign currencies, are for non-Chinese nationals and residents of Macau, Hong Kong and Taiwan. This paper identified eighty-six companies issuing both the A and B shares and tested if these shares weekly returns follow a random walk. Employing the Lo and MacKinlay variance ratio test statistics, it is discovered that five times more B shares rejected the random walk as did the A shares. Moreover, both the Shenzhen and Shanghai B-Share indexes reject the random walk while neither the Shenzhen nor Shanghai A-Share index reject the random walk.

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File URL: http://economicsbulletin.vanderbilt.edu/2007/volume7/EB-07G00084A.pdf
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Publisher Info
Article provided by Economics Bulletin in its journal Economics Bulletin.

Volume (Year): 7 (2007)
Issue (Month): 9 ()
Pages: 1-12
Download reference. The following formats are available: HTML (with abstract), plain text (with abstract), BibTeX, RIS (EndNote, RefMan, ProCite), ReDIF
Handle: RePEc:ebl:ecbull:v:7:y:2007:i:9:p:1-12

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Related research
Keywords: China A shares; random walk; variance ratio;

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Find related papers by JEL classification:
G0 - Financial Economics - - General

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  1. Darrat, Ali F & Zhong, Maosen, 2000. "On Testing the Random-Walk Hypothesis: A Model-Comparison Approach," The Financial Review, Eastern Finance Association, vol. 35(3), pages 105-24, August.
  2. Su, Dongwei & Fleisher, Belton M., 1998. "Risk, Return and Regulation in Chinese Stock Markets," Journal of Economics and Business, Elsevier, vol. 50(3), pages 239-256, May. [Downloadable!] (restricted)
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  3. Lee, Cheng F & Chen, Gong-meng & Rui, Oliver M, 2001. "Stock Returns and Volatility on China's Stock Markets," Journal of Financial Research, Southern Finance Association and Southwestern Finance Association, vol. 24(4), pages 523-43, Winter.
  4. Andrew W. Lo, A. Craig MacKinlay, 1988. "Stock Market Prices do not Follow Random Walks: Evidence from a Simple Specification Test," Review of Financial Studies, Oxford University Press for Society for Financial Studies, vol. 1(1), pages 41-66. [Downloadable!] (restricted)
    Other versions:
  5. Dat Bue Lock, 2007. "The Taiwan stock market does follow a random walk," Economics Bulletin, Economics Bulletin, vol. 7(3), pages 1-8. [Downloadable!]
  6. Eduardo Jose Araújo Lima & Benjamin Miranda Tabak, 2004. "Tests of the random walk hypothesis for equity markets: evidence from China, Hong Kong and Singapore," Applied Economics Letters, Taylor and Francis Journals, vol. 11(4), pages 255-258, March. [Downloadable!] (restricted)
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