Results 141 to 150 of about 20,055 (271)

Portuguese stock market: A long-memory process?

open access: yesBusiness: Theory and Practice, 2011
This paper gives a basic overview of the various attempts at modelling stochastic processes for stock markets with a specific application to the Portuguese stock market data.
Sameer Rege, Samuel Gil Martín
doaj  

TESTING THE LONG RANGE-DEPENDENCE FOR THE CENTRAL EASTERN EUROPEAN AND THE BALKANS STOCK MARKETS [PDF]

open access: yesAnnals of the University of Oradea: Economic Science, 2013
In this study we tested the existence of long memory in the the return series for major Central Eastern European and Balkans stock markets, using the following statistical methods: Hurst Exponent, GPH method, Andrews and Guggenberger method, Reisen ...
Pece Andreea Maria   +3 more
doaj  

An Empirical Study of the Stability of Hurst Exponent Behavior Applied to Russian and American Stock Markets [PDF]

open access: yes
In the paper we study the stability of Hurst exponent behavior for Russian and American financial indicators. A specific technique is developed for analysis of its performance.
Zlotnik, Andrey
core  

Long-term memory and its evolution in returns of PX between 1999 and 2009 [PDF]

open access: yes
Long-term memory processes have been extensively examined in recent literature as they provide simple way to test for predictability in the underlying process.
Kristoufek, Ladislav
core   +1 more source

Multifractality approach of a generalized Shannon index in financial time series.

open access: yesPLoS ONE
Multifractality is a concept that extends locally the usual ideas of fractality in a system. Nevertheless, the multifractal approaches used lack a multifractal dimension tied to an entropy index like the Shannon index. This paper introduces a generalized
Felipe S Abril-Bermúdez   +3 more
doaj   +1 more source

Evidence of crossover phenomena in wind speed data

open access: yes, 2004
In this report, a systematic analysis of hourly wind speed data obtained from three potential wind generation sites (in North Dakota) is analyzed. The power spectra of the data exhibited a power-law decay characteristic of $1/f^{\alpha}$ processes with ...
Kavasseri, Rajesh G.   +1 more
core   +1 more source

An Experiment on the Hurst Exponent based on FARIMA [PDF]

open access: yesProceedings of the 2017 5th International Conference on Machinery, Materials and Computing Technology (ICMMCT 2017), 2017
Chen Liu   +4 more
openaire   +1 more source

Home - About - Disclaimer - Privacy