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Predictability of stock markets with disequilibrium trading

Author

Listed:
  • Wojciech Charemza
  • Kalvinder Shields
  • Anna Zalewska

Abstract

This paper analyses the predictability of a hypothetical market with freely negotiated prices on which exists a censoring of one-period returns which are in excess of an arbitrary level ('floor' and 'ceiling'). It is shown that the expected value of returns (adjusted for drift) conditional on last period information regarding the censoring are equal to zero (and therefore the market is not predictable in mean) if there is no intertemporal spillover on the market. A simple simulation model is proposed and applied for the analysis of the effects of intertemporal and cross-spillovers resulting from quantity constraints. Statistical predictability tests are proposed, based on the corrected Student-t statistic of a regression of returns of some information concerning the previous censoring. An illustrative empirical analysis of six main time series of returns on the Warsaw Stock Exchange confirms their ex-ante, but not ex-post, predictability.

Suggested Citation

  • Wojciech Charemza & Kalvinder Shields & Anna Zalewska, 2004. "Predictability of stock markets with disequilibrium trading," The European Journal of Finance, Taylor & Francis Journals, vol. 10(5), pages 329-344.
  • Handle: RePEc:taf:eurjfi:v:10:y:2004:i:5:p:329-344
    DOI: 10.1080/13518470210167293
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    References listed on IDEAS

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    1. Grossman, Sanford J & Stiglitz, Joseph E, 1980. "On the Impossibility of Informationally Efficient Markets," American Economic Review, American Economic Association, vol. 70(3), pages 393-408, June.
    2. Granger, Clive W. J., 1992. "Forecasting stock market prices: Lessons for forecasters," International Journal of Forecasting, Elsevier, vol. 8(1), pages 3-13, June.
    3. Fama, Eugene F, 1991. " Efficient Capital Markets: II," Journal of Finance, American Finance Association, vol. 46(5), pages 1575-1617, December.
    4. Claessens, Stijn & Dasgupta, Susmita & Glen, Jack, 1995. "Return Behavior in Emerging Stock Markets," World Bank Economic Review, World Bank Group, vol. 9(1), pages 131-151, January.
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    Cited by:

    1. Charemza, Wojciech W. & Majerowska, Ewa, 2000. "Regulation of the Warsaw Stock Exchange: The portfolio allocation problem," Journal of Banking & Finance, Elsevier, vol. 24(4), pages 555-576, April.
    2. Ewa Majerowska, "undated". "Disequilibrium Trading and Market Constraints, Theoretical Foundations: The Case of the Warsaw Stock Exchange," Discussion Papers in European Economics 99/2, Department of Economics, University of Leicester.
    3. Ewa Majerowska, "undated". "Validity of the optimal portfolio allocation model with price constraints on the example of the Warsaw Stock Exchange," Discussion Papers in European Economics 99/5, Department of Economics, University of Leicester.

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