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Nonlinear ACD Model and Informed Trading: Evidence from Shanghai Stock Exchange

Author

Listed:
  • Wong, Woon K

    (Cardiff Business School)

  • Tan, Dijun
  • Tian, Yixiang

Abstract

Dufour and Engle (J. Finance (2000) 2467) find evidence of an increased presence of informed traders when the NYSE markets are most active. No such evidence, however, can be found by Manganelli (J. Financial Markets (2005) 377) for the infrequently traded stocks. In this paper, we fit a nonlinear log-ACD model to stocks listed on Shanghai Stock Exchange. When trading volume is high, empirical findings suggest presence of informed trading in both liquid and illiquid stocks. When volume is low, market activity is likely due to liquidity trading. Finally, for the actively traded stocks, our results support the price formation model of Foster and Viswanathan (Rev. Financial Studies (1990) 593).

Suggested Citation

  • Wong, Woon K & Tan, Dijun & Tian, Yixiang, 2008. "Nonlinear ACD Model and Informed Trading: Evidence from Shanghai Stock Exchange," Cardiff Economics Working Papers E2008/8, Cardiff University, Cardiff Business School, Economics Section.
    • Handle: RePEc:cdf:wpaper:2008/8
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    More about this item

    Keywords

    Informed trading; Liquidity trading; Duration; Volume; Volatility;
    All these keywords.

    JEL classification:

    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets

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