Results 1 to 10 of about 1,056 (134)

Testing for martingale difference hypothesis with structural breaks: Evidence from Asia–Pacific foreign exchange markets

open access: yesBorsa Istanbul Review, 2016
This study tests for martingale difference hypothesis (MDH) in nine selected Foreign Exchange (FX) markets from Asia–Pacific countries. Its main contributions to the literature include: (i) it adopts recent techniques in both the Autocorrelation based ...
Afees A. Salisu   +2 more
doaj   +2 more sources

Comparison of Efficiency in Cash and Future Market of Gold Coin [PDF]

open access: yesتحقیقات مالی, 2021
Objective: According to the efficient market hypothesis, market efficiency refers to the condition in which prices in the markets are adjusted immediately to the new information. The speed and quality of response to new information determine the level of
Mahdi Eskandari   +2 more
doaj   +1 more source

The weak-form efficiency of cryptocurrencies

open access: yesResearch Papers in Economics and Finance, 2023
This study aimed to examine the weak-form efficiency of some of the most capitalised cryptocurrencies. The sample consisted of 24 cryptocurrencies selected out of 30 cryptocurrencies with the highest market capitalisation as of October 19, 2022 ...
Jacek Karasiński
doaj   +1 more source

Testing the martingale difference hypothesis in high dimension

open access: yesJournal of Econometrics, 2023
In this paper, we consider testing the martingale difference hypothesis for high-dimensional time series. Our test is built on the sum of squares of the element-wise max-norm of the proposed matrix-valued nonlinear dependence measure at different lags.
Chang, Jinyuan   +2 more
openaire   +3 more sources

Data-driven smooth tests for the martingale difference hypothesis [PDF]

open access: yesComputational Statistics & Data Analysis, 2010
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Juan Carlos Escanciano, Silvia Mayoral
openaire   +3 more sources

Testing the martingale difference hypothesis using integrated regression functions [PDF]

open access: yesComputational Statistics & Data Analysis, 2006
An omnibus test for testing a generalized version of the martingale difference hypothesis (MDH) is proposed. This generalized hypothesis includes the usual MDH, testing for conditional moments constancy such as conditional homoscedasticity (ARCH effects) or testing for directional predictability. A unified approach for dealing with all of these testing
Juan Carlos Escanciano, Carlos Velasco
openaire   +5 more sources

The adaptive market hypothesis and the return predictability in the cryptocurrency markets

open access: yesEconomics and Business Review, 2023
This study employs robust martingale difference hypothesis tests to examine return predictability in a broad sample of the 40 most capitalized cryptocurrency markets in the context of the adaptive market hypothesis.
Karasiński Jacek
doaj   +1 more source

Generalized spectral tests for the martingale difference hypothesis [PDF]

open access: yesJournal of Econometrics, 2006
^aThis article proposes a test for the Martingale Difference Hypothesis (MDH) using dependence measures related to the characteristic function. The MDH typically has been tested using the sample autocorrelations or in the spectral domain using the periodogram.
Escanciano, J. Carlos, Velasco, Carlos
openaire   +4 more sources

Small sample properties of alternative tests for martingale difference hypothesis [PDF]

open access: yesEconomics Letters, 2011
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Charles, Amélie   +2 more
openaire   +4 more sources

Testing for the Martingale Difference Hypothesis in Multivariate Time Series Models

open access: yesJournal of Business & Economic Statistics, 2021
This article proposes a general class of tests to examine whether the error term is a martingale difference sequence in a multivariate time series model with parametric conditional mean. These new tests are formed based on recently developed martingale difference divergence matrix (MDDM), and they provide formal tools to test the multivariate ...
Guochang Wang (500520)   +2 more
openaire   +2 more sources

Home - About - Disclaimer - Privacy