Results 51 to 60 of about 336,767 (312)

Incomplete Share Repurchase Programs in Vietnam: Completion Rates and Short-Term Returns

International Journal of Financial Studies, 2020
Stock repurchases have become a preferred method of distributing cash to stockholders. However, given the high level of information asymmetry and weak corporate governance as well as poor investor protection in Vietnam, many Vietnamese firms use stock ...
Kien Cao, Thuy Nguyen, Hong Nguyen, Hien Bui   +3 more
doaj   +1 more source

Carboxylic‐Acid Functionalized Multiwalled Carbon Nanotube‐Alkane‐Based Resistive Temperature Sensor for Cold Chain Applications

Advanced Engineering Materials, EarlyView.
This study presents a reversible temperature sensor with high switching ratio, ∼103. The device is fabricated using PET‐ITO and carbon nanotube dispersions in alkane. Considering its application in cold chain logistics, a proof‐of‐concept with LED is showcased. Thus, a temperature drop below the threshold temperature (crystallization temperature of the
Sunil Kumar Behera, Philippe Marrec, A. Jorge Parola, Madalena Dionísio, Hugo Águas, Andreia F. M. Santos, Hamed Pourkheirollah, Donald Lupo, César A. T. Laia   +8 more
wiley   +1 more source

Momentum and calendar effects

Managerial Economics, 2012
This paper examines the relationship between results of the analysis of the price momentum effect and data mining. Especially, the issue of the day of portfolio formation is considered.
Tomasz Wojtowicz
doaj   +1 more source

Innovative Processing of Compacted Waste Aluminum Alloy Powders via Controlled Remelting and Solidification

Advanced Engineering Materials, EarlyView.
This study demonstrates an efficient recycling route for out‐of‐spec AlSi10Mg atomized powders through compaction and arc remelting followed by suction casting. By correlating compaction load, cooling rate, and resulting microstructure, we show that intermediate pressures (50–80 kN) and rapid cooling refine dendrites, reduce porosity, and enhance ...
Mila Christy de Oliveira, Marcella Gaute Cavalcante Xavier, Abdoul‐Aziz Bogno, Piter Gargarella, José Eduardo Spinelli   +4 more
wiley   +1 more source

Does Crude Oil Market Efficiency Improve After the Lift of the U.S. Export Ban? Evidence From Time-Varying Hurst Exponent

Frontiers in Physics, 2020
On 18 December 2015, the 40-years old U.S. crude oil export ban was repealed. Since then U.S. crude and oil producers were allowed to reach the global market.
Yinghui Shao
doaj   +1 more source

Time-varying long-term Memory in the Tehran Stock Exchange: the Generalized Hurst Exponents and the Rolling Window Approach [PDF]

Journal of Asset Management and Financing, 2020
Objective: This study is the first to examine the issue of time-varying long-term memory in the Tehran Stock Exchange, using a new efficiency index through a rolling window technique.
elham farzanegan
doaj   +1 more source

Productivity‐Driven Optimization of Laser Powder Bed Fusion Parameters for IN718 Superalloy: Process Control, Microstructure, and Mechanical Properties

Advanced Engineering Materials, EarlyView.
This study demonstrates how optimizing laser power, scanning speed, and hatching distance in laser powder bed fusion can boost the productivity of Inconel 718 manufacturing by up to 29% while maintaining mechanical integrity. The work delivers a validated process window and cost–time analysis, offering industry‐ready guidelines for efficient additive ...
Amir Behjat, Guido Barale, John Stavridis, Ehsan Norouzi, Jin‐Yoo Suh, Dong‐Ik Kim, Luca Iuliano, Abdollah Saboori   +7 more
wiley   +1 more source

A consideration of water affairs technical standards system construction and development—a case study of Beijing

Environmental Research Communications
Integrated water affairs management is an important mechanism for fostering coordinated development and enhancing the efficiency of water-related operations, encompassing water resources, water environment, water supply and drainage. It serves as a vital
Yubo Zhang, Yan Bai, Mengting Hu, Xue Bai   +3 more
doaj   +1 more source

The profitability of technical analysis: Evidence from the piercing line and dark cloud cover patterns in the forex market

Cogent Economics & Finance, 2020
We examine 112,792 daily candles using more than one million spot quotes among 24 currency pairs between 2000 and 2018. We find that chart patterns are profitable.
Ahmed S. Alanazi, Ammar S. Alanazi
doaj   +1 more source

STRATEGIC FOUNDATIONS OF SECURING EFFECTIVENESS OF COMMERCIAL ORGANIZATIONS' ACTIVITIES [PDF]

Eurasia: Economics & Business, 2017
The article concerns the choice of the development methodology of the financial strategy aimed at securing and increase the economic effectiveness of the commercial organization.
Zaporozhtseva L.A., Khurchak Y.S., Vukolov V.V.   +2 more
doaj   +1 more source