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Semiparametric bootstrap approach to hypothesis tests and confidence intervals for the hurst coefficient

Author

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  • Hall, Peter
  • Härdle, Wolfgang
  • Kleinow, Torsten
  • Schmidt, Peter

Abstract

A major application of rescaled adjusted range analysis (RS analysis) is the study of price fluctuations in financial markets. There, the value of the Hurst constant, H, in a time series may be interpreted as an indicator of the irregularity of the price of a commodity, currency or similar quantity. Interval estimation and hypothesis testing for H are central to comparative quantitative Analysis. In this paper we propose a new bootstrap, or Monte Carlo, approach to such problems. Traditional bootstrap methods in this context file based on fitting a process chosen from a wide but relatively conventional range of discrete time series models, including autoregressions, moving averages, autoregressive moving averages and many more. By way of contrast we suggest simulation using a single type of continuous-time process, with its fractal dimension. We provide theoretical justification for this method, and explore its numerical properties and statistical performance by application 1,0 real data on commodity prices and exchange rates.

Suggested Citation

  • Hall, Peter & Härdle, Wolfgang & Kleinow, Torsten & Schmidt, Peter, 1999. "Semiparametric bootstrap approach to hypothesis tests and confidence intervals for the hurst coefficient," SFB 373 Discussion Papers 1999,62, Humboldt University of Berlin, Interdisciplinary Research Project 373: Quantification and Simulation of Economic Processes.
    • Handle: RePEc:zbw:sfb373:199962
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    Cited by:

    1. Chaker Aloui, 2003. "Long-Range Dependence in Daily Volatility on Tunisian Stock Market," Working Papers 0340, Economic Research Forum, revised Dec 2003.

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