Results 11 to 20 of about 3,061,654 (200)

The long memory of the efficient market [PDF]

open access: yesStudies in Nonlinear Dynamics & Econometrics, 2004
For the London Stock Exchange we demonstrate that the signs of orders obey a long-memory process. The autocorrelation function decays roughly as $\tau^{-\alpha}$ with $\alpha \approx 0.6$, corresponding to a Hurst exponent $H \approx 0.7$.
Farmer, J. Doyne, Lillo, Fabrizio
core   +3 more sources

LARCH, Leverage and Long Memory [PDF]

open access: yes, 2003
We consider the long memory and leverage properties of a model for the conditional variance of an observable stationary sequence, where the conditional variance is the square of an inhomogeneous linear combination of past values of the observable ...
Donatas Surgailis   +3 more
core   +3 more sources

Long Sequence Hopfield Memory

open access: yesAdvances in Neural Information Processing Systems 36, 2023
Abstract Sequence memory is an essential attribute of natural and artificial intelligence that enables agents to encode, store, and retrieve complex sequences of stimuli and actions. Computational models of sequence memory have been proposed where recurrent Hopfield-like neural networks are trained with temporally asymmetric Hebbian ...
Hamza Tahir Chaudhry   +3 more
openaire   +3 more sources

THE LONG FOX MEMORIAL. [PDF]

open access: yesThe Lancet, 1902
n ...
Asquith, W. W., Skerritt, E. Markham
openaire   +1 more source

Modeling Long Memory in REITs [PDF]

open access: yesReal Estate Economics, 2007
One stylized feature of financial volatility impacting the modeling process is long memory. This article examines long memory for alternative risk measures, observed absolute and squared returns for Daily Equity real estate investment trust (REITs) and compares the findings for a market equity index.
Cotter, John, Simon Stevenson, Simon
openaire   +6 more sources

Self-rated everyday prospective memory abilities of cigarette smokers and non-smokers: a web based study [PDF]

open access: yes, 2005
The present study examined self-ratings of two aspects of everyday memory performance: long-term prospective memory—measured by the prospective memory questionnaire (PMQ), and everyday memory—measured by the everyday memory questionnaire (EMQ).
Buchanan, T.   +11 more
core   +1 more source

Generalized Memory: Fractional Calculus Approach

open access: yesFractal and Fractional, 2018
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

open access: yesEconometrics, 2020
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

open access: yesOrganizations and Markets in Emerging Economies, 2022
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

Copulas and Long Memory

open access: yesSSRN Electronic Journal, 2008
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Ibragimov, R, Lentzas, G
openaire   +4 more sources

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