Results 81 to 90 of about 953,956 (308)
EFFICIENCE DES MARCHES BOURSIERS : QU’EST-CE QUI MARGINALISE L’AFRIQUE ?
Almost of African stock markets are inefficient, contrary to stock market of others continent. This paper re-examine, in one hand, the efficiency, in Fama (1970) way, on 58 stocks market of all continents.
Mathieu AVOUTOU
doaj +1 more source
Bioinspired Shape‐Memory Hook Fasteners With Programmable Interlocking and Silent Release
Bioinspired hook fasteners made from epoxy shape‐memory polymers are shown to switch between strong, secure attachment and gentle, silent release when heated. By combining programmable geometry and material response, these adaptive fasteners outperform commercial systems in strength and noise control, enabling new solutions for robotics, medical ...
Maria I. Vallejo Ciro +3 more
wiley +1 more source
Efficiency in stock markets is essential for economic stability and growth. This study investigates the efficiency and herding behavior of the stock markets from the top economies of the world (known as G20 countries).
Bilal Ahmed Memon +4 more
doaj +1 more source
Are markets really efficient? [PDF]
Rational expectations (Economic theory) ; Speculation ; Stock exchanges ; Keynesian ...
Tom Klitgaard
core
Scandium (Sc)‐doped AlCoCrFeMo HEA coatings are fabricated via flame spraying with 0.1, 0.3, and 0.5 wt% Sc additions. Among these, the HEA‐Sc0.3 coating exhibits the highest corrosion resistance, indicated by a more positive corrosion potential and lower current density.
Pankaj Kumar +7 more
wiley +1 more source
Proceedings of the Conference on Human and Economic Resources [PDF]
Recent development of information technologies and telecommunications have given rise to an extraordinary increase in the data transactions in the financial markets.
Alper Özün
core
Intelligent radiative cooling devices, adaptable to various weather conditions, have the potential for year‐round energy savings. This study introduces a sustainable dual‐mode film made from polycaprolactone nanofibers and upcycled chip bags for effective thermal management.
Qimeng Song +4 more
wiley +1 more source
Limited profit in predictable stock markets [PDF]
It has been assumed that arbitrage profits are not possible in efficient markets, because future prices are not predictable. Here we show that predictability alone is not a sufficient measure of market efficiency.
Barabási +12 more
core +1 more source
This work explores Li‐substituted P2 layered oxides for Na‐ion batteries by crystallographic and electrochemical studies. The effect of lithium on superstructure orderings, on phase transitions during synthesis and electrochemical cycling and on the interplay of O‐ versus TM‐redox is revealed via various advanced techniques, including semi‐simultaneous
Mingfeng Xu +5 more
wiley +1 more source
January effect on stock returns: Evidence from emerging Balkan equity markets [PDF]
The motivation for testing anomalies in the selected financial markets in the region was primarily to help investors to devise a viable investment strategy.
Milošević-Avdalović Snežana +1 more
doaj

