Results 31 to 40 of about 194,407 (290)

How efficient is the Johannesburg Stock Exchange really?

open access: yesSouth African Journal of Economic and Management Sciences, 2018
Background: There are various studies that confirm the efficiency of the Johannesburg Stock Exchange (JSE), implying that there are no opportunities for active portfolio managers to earn excess returns over the long run.
André Heymans, Leonard Santana
doaj   +1 more source

Price efficiency of the foreign exchange rates of BRICS countries: A comparative analysis

open access: yesLatin American Journal of Central Banking, 2023
In this paper, we analyze BRICS countries’ long-term exchange rate market efficiency. Our analysis, using multifractal detrended fluctuation analysis (MFDFA) for the 2009–2021 period, shows considerable differences in the exchange rate efficiency of ...
Natalia Diniz-Maganini   +2 more
doaj   +1 more source

A Critical Survey on Efficient Market Hypothesis (EMH), Adaptive Market Hypothesis (AMH) and Fractal Markets Hypothesis (FMH) Considering Their Implication on Stock Markets Behavior

open access: yesOvidius University Annals. Economic Sciences Series, 2022
The fundamental objective of our research study is to provide a critical analysis on Efficient Market Hypothesis (EMH), Adaptive Market Hypothesis (AMH) and Fractal Markets Hypothesis (FMH) considering their impact on stock markets behavior. Efficient Market Hypothesis is one of the pillars of modern finance and it is built on the paradigm that any ...
Cristi Spulbar   +2 more
openaire   +2 more sources

Testing the Adaptive Market Hypothesis and Time-Varying Efficiency in the Indian Equity Market [PDF]

open access: yesColombo Business Journal
The study examines the adaptive market hypothesis (AMH) as an evolutionary principle of the alternative efficient market hypothesis in the Indian stock market (Sensex and Nifty50) on the daily return from April 2014 to May 2020.
Nang Biak Sing, Rajkumar Giridhari Singh
doaj   +1 more source

A Composite Index for Measuring Stock Market Inefficiency

open access: yesComplexity, 2022
Market inefficiency is a latent concept, and it is difficult to be measured by means of a single indicator. In this paper, following both the adaptive market hypothesis (AMH) and the fractal market hypothesis (FMH), we develop a new time-varying measure ...
Raffaele Mattera   +2 more
doaj   +1 more source

A Test of the Adaptive Market Hypothesis using a Time-Varying AR Model in Japan

open access: yes, 2016
This study examines the adaptive market hypothesis (AMH) in Japanese stock markets (TOPIX and TSE2). In particular, we measure the degree of market efficiency by using a time-varying model approach.
Akihiko Noda   +20 more
core   +1 more source

Stock returns and calendar anomalies on the London Stock Exchange in the dynamic perspective of the Adaptive Market Hypothesis: A study of FTSE100 & FTSE250 indices over a ten year period

open access: yesQuantitative Finance and Economics, 2020
This paper analyses the behaviour of stock returns and calendar anomalies over a ten year period: 2007–2016 on the London Stock Exchange, through two major indices, the FTSE100 and FTSE250.
Lucrezia Rosini, 10.3934/QFE.2020006
doaj   +1 more source

Revisiting efficiency in MENA stock markets during political shocks: evidence from a multi-step approach

open access: yesHeliyon, 2021
In this paper, we attempt to investigate the efficiency of emerging stock markets by considering the advent of dramatic country-specific events. In other words, we analyze and rank the weak-form efficiency levels of emerging stock markets based on a ...
Besma Hkiri   +3 more
doaj   +1 more source

Temporal Trends in and Associations With Nonsteroidal Anti‐inflammatory Drug Prescription in Adult and Pediatric Patients With Inflammatory Bowel Disease

open access: yesArthritis Care &Research, EarlyView.
Objective Recent inflammatory bowel disease (IBD) treatment guidelines have recommended against nonsteroidal anti‐inflammatory drug (NSAID) use despite prevalent musculoskeletal symptoms and opioid overuse in this population. Given the discordance between changing national guidelines and potential clinical utility, we sought to assess national temporal
Adam S. Mayer   +5 more
wiley   +1 more source

Harmonizing the Pyrene and Ether Groups in Covalent Triazine Polymers for Highly Effective H2O2 Photosynthesis via One‐Step Two‐Electron Oxygen Reduction

open access: yesAdvanced Functional Materials, EarlyView.
The pyrene and ether groups are incorporated into the covalent triazine polymer (CTP) structure. The synergistic effect of the two functional groups endows CTP with better electron transfer, light absorption, and oxygen activation properties. An impressive apparent quantum yield (13.2% @420 nm) and a remarkable solar‐to‐chemical conversion efficiency ...
Chong Wang   +10 more
wiley   +1 more source

Home - About - Disclaimer - Privacy