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A General Test of a Filter Effect

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  • Praetz, P. D.

Abstract

This paper develops an exact theoretical test of the presence or absence of a filter effect for a portfolio of securities and a general number of different filter sizes. It is a natural development from Praetz [8], which obtained exact expressions for the mean and variance of rates of return of the investment strategies under filter tests assuming the underlying stochastic process is a random walk. These expressions showed that expected returns from filter strategies are, in fact, less than the return from a buy-andhold alternative with which filter returns are usually compared.

Suggested Citation

  • Praetz, P. D., 1979. "A General Test of a Filter Effect," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 14(2), pages 385-394, June.
  • Handle: RePEc:cup:jfinqa:v:14:y:1979:i:02:p:385-394_00
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    Cited by:

    1. Sweeney, R. J., 2000. "Does the Fed beat the foreign-exchange market?," Journal of Banking & Finance, Elsevier, vol. 24(5), pages 665-694, May.
    2. Peterson, Paul E. & Leuthold, Raymond M., 1982. "Using Mechanical Trading Systems To Evaluate The Weak Form Efficiency Of Futures Markets," Southern Journal of Agricultural Economics, Southern Agricultural Economics Association, vol. 14(1), pages 1-5, July.
    3. David M. Emanuel, 1980. "A Note on Filter Rules and Stock‐Market Trading in New Zealand," The Economic Record, The Economic Society of Australia, vol. 56(155), pages 378-381, December.

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