A brief history of long memory: Hurst, Mandelbrot and the road to ARFIMA [PDF]
Long memory plays an important role in many fields by determining the behaviour and predictability of systems; for instance, climate, hydrology, finance, networks and DNA sequencing.
Franzke, Christian +3 more
core +3 more sources
Market Efficiency, Roughness and Long Memory in PSI20 Index Returns: Wavelet and Entropy Analysis
In this study, features of the financial returns of the PSI20index, related to market efficiency, are captured using wavelet- and entropy-based techniques. This characterization includes the following points.
Rui Pascoal, Ana Margarida Monteiro
doaj +1 more source
Statistical Arbitrage in Emerging Markets: A Global Test of Efficiency
In this paper, we use a statistical arbitrage method in different developed and emerging countries to show that the profitability of the strategy is based on the degree of market efficiency.
Karen Balladares +3 more
doaj +1 more source
Generalized Memory: Fractional Calculus Approach
The memory means an existence of output (response, endogenous variable) at the present time that depends on the history of the change of the input (impact, exogenous variable) on a finite (or infinite) time interval.
Vasily E. Tarasov
doaj +1 more source
Long-Lasting Economic Effects of Pandemics:Evidence on Growth and Unemployment
This paper studies long economic series to assess the long-lasting effects of pandemics. We analyze if periods that cover pandemics have a change in trend and persistence in growth, and in level and persistence in unemployment.
C. Vladimir Rodríguez-Caballero +1 more
doaj +1 more source
Investigation of Fractal Market Hypothesis in Emerging Markets: Evidence from the MINT Stock Markets
This study aims to investigate the market efficiency of emerging stock markets, namely the Mexico, Indonesia, Nigeria, and Turkey (MINT) stock markets based on the Fractal Market Hypothesis.
Yunus Karaömer
doaj +1 more source
Modelling exchange rate volatility with random level shifts [PDF]
Recent literature has shown that the volatility of exchange rate returns displays long memory features. It has also been shown that if a short memory process is contaminated by level shifts, the estimate of the long memory parameter tends to be upward ...
Li, Ye, Perron, Pierre, Xu, Jiawen
core +1 more source
Structural MRI Correlates of Episodic Memory Processes in Parkinson's Disease Without Mild Cognitive Impairment. [PDF]
BackgroundChanges in episodic memory are common early in Parkinson's disease (PD) and may be a risk factor for future cognitive decline. Although medial temporal lobe (MTL) memory and frontostriatal (FS) executive systems are thought to play different ...
Filoteo, J Vincent +3 more
core +2 more sources
Use of fresh water over the long run measuring persistence
In this article, we carry out a study of the degree of persistence of a time series of data on freshwater use in the long term, using fractional integration or I(d) techniques. Using annual data from 1901 to 2014, we observe that the order of integration
Marta del Rio +2 more
doaj +1 more source
Long memory and long run variation [PDF]
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire +2 more sources

