Time-varying persistence in the German stock market
AbstractThis paper studies the persistence of daily returns of 21 German stocks from 1960 to 2008. We apply a widely used test based upon the modified R/S-Method by Lo . As an extension to Lux  and Carbone et al.  and in analogy to moving average or moving volatility, the statistics is calculated for moving windows of length 4, 8, and 16 years for every time series. Periods of persistence or long memory in returns can be found in some but not all time series. Robustness of results is verified by investigating stationarity and short memory effects.
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Bibliographic InfoPaper provided by Universität Potsdam, Wirtschafts- und Sozialwissenschaftliche Fakultät in its series Statistische Diskussionsbeiträge with number 37.
Date of creation: Apr 2010
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persistence; stock market;
This paper has been announced in the following NEP Reports:
- NEP-ALL-2010-04-24 (All new papers)
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