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Can a Stock Index be Less Efficient than Underlying Shares? An Analysis Using Malta Stock Exchange Data

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Author Info
Silvio John Camilleri (Banking & Finance Dept., FEMA - University of Malta)

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Abstract

Researchers often assume that stock market indices are the best possible yardstick in terms of market efficiency. The paper investigates this concept using data from the Malta Stock Exchange (MSE). The fact that a significant number of MSE shares do not trade everyday, may imply that the most liquid shares on this exchange are more efficient than the market index, whose value is dependent on shares of varying liquidity levels - including the less liquid ones. The paper applies various tests to compare the pricing efficiency of the MSE Index to that of the most liquid share quoted on the exchange. It is found that the MSE Index is still more efficient than the latter share.

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File URL: http://129.3.20.41/eps/fin/papers/0507/0507006.pdf
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Publisher Info
Paper provided by EconWPA in its series Finance with number 0507006.

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Length: 21 pages
Date of creation: 05 Jul 2005
Date of revision:
Handle: RePEc:wpa:wuwpfi:0507006

Note: Type of Document - pdf; pages: 21
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Web page: http://129.3.20.41

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Related research
Keywords: Malta Stock Exchange Non-Synchronous Trading Stock Markets.

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Find related papers by JEL classification:
G12 - Financial Economics - - General Financial Markets - - - Asset Pricing
G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies

This paper has been announced in the following NEP Reports:

References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Paul V. Azzopardi & Silvio John Camilleri, 2004. "The Relevance of Short Sales to the Maltese Stock Market," Finance 0409009, EconWPA. [Downloadable!]
  2. Tim Bollerslev & Robert J. Hodrick, 1992. "Financial Market Efficiency Tests," NBER Working Papers 4108, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  3. Kadlec, Gregory B & Patterson, Douglas M, 1999. "A Transactions Data Analysis of Nonsynchronous Trading," Review of Financial Studies, Oxford University Press for Society for Financial Studies, vol. 12(3), pages 609-30.
  4. Atchison, Michael D & Butler, Kirt C & Simonds, Richard R, 1987. " Nonsynchronous Security Trading and Market Index Autocorrelation," Journal of Finance, American Finance Association, vol. 42(1), pages 111-18, March. [Downloadable!] (restricted)
  5. Brown, Stephen J. & Warner, Jerold B., 1980. "Measuring security price performance," Journal of Financial Economics, Elsevier, vol. 8(3), pages 205-258, September. [Downloadable!] (restricted)
  6. Scholes, Myron & Williams, Joseph, 1977. "Estimating betas from nonsynchronous data," Journal of Financial Economics, Elsevier, vol. 5(3), pages 309-327, December. [Downloadable!] (restricted)
  7. J. Cable, K. Holland, 1999. "Modelling normal returns in event studies: a model-selection approach and pilot study," European Journal of Finance, Taylor and Francis Journals, vol. 5(4), pages 331-341, December. [Downloadable!] (restricted)
  8. Granger, C W J, 1969. "Investigating Causal Relations by Econometric Models and Cross-Spectral Methods," Econometrica, Econometric Society, vol. 37(3), pages 424-38, July. [Downloadable!] (restricted)
  9. Yakov Amihud & Haim Mendelson & Beni Lauterbach, 1997. "Market Microstructure and Securities Values: Evidence from the Tel Aviv Stock Exchange," New York University, Leonard N. Stern School Finance Department Working Paper Seires 98-004, New York University, Leonard N. Stern School of Business-.
  10. Lo, Andrew W & MacKinlay, A Craig, 1990. "When Are Contrarian Profits Due to Stock Market Overreaction?," Review of Financial Studies, Oxford University Press for Society for Financial Studies, vol. 3(2), pages 175-205. [Downloadable!] (restricted)
    Other versions:
  11. A. Craig MacKinlay, 1997. "Event Studies in Economics and Finance," Journal of Economic Literature, American Economic Association, vol. 35(1), pages 13-39, March. [Downloadable!] (restricted)
  12. Silvio John Camilleri & Christopher J. Green, 2005. "An Analysis of the Impacts of Non-Synchronous Trading On," Finance 0504020, EconWPA. [Downloadable!]
  13. Amihud, Yakov & Mendelson, Haim & Lauterbach, Beni, 1997. "Market microstructure and securities values: Evidence from the Tel Aviv Stock Exchange," Journal of Financial Economics, Elsevier, vol. 45(3), pages 365-390, September. [Downloadable!] (restricted)
  14. Harris, Lawrence, 1991. "Stock Price Clustering and Discreteness," Review of Financial Studies, Oxford University Press for Society for Financial Studies, vol. 4(3), pages 389-415. [Downloadable!] (restricted)
  15. Niarchos, Nikitas A & Alexakis, Christos A, 1998. "Stock Market Prices, 'Causality' and Efficiency: Evidence from the Athens Stock Exchange," Applied Financial Economics, Taylor and Francis Journals, vol. 8(2), pages 167-74, April. [Downloadable!] (restricted)
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