Results 41 to 50 of about 4,834 (182)

Evaluation of Effectiveness of Arima Model Predictions in Investment Portfolio Formation and Management

Economics and Culture
The increasing array of financial assets and investment opportunities nowadays is making investors consider new ways of investment portfolio formation and management.
Brolinska Iryna, Žilinskij Grigorij
doaj   +1 more source

How Google Trends can improve market predictions— the case of the Warsaw Stock Exchange

Economics and Business Review, 2022
The aim of this paper is to investigate interdependencies between the WIG20 index and economic policy uncertainty (EPU) related keywords quantified by a Google Trends search index.
Kropiński Paweł, Anholcer Marcin
doaj   +1 more source

Integrating Value for the Consumer and Society: A New Conceptual Orientation for Strategic Marketing

Business Strategy &Development, Volume 9, Issue 1, March 2026.
ABSTRACT This study explores the evolving role of strategic marketing orientations in addressing contemporary societal challenges. While traditional orientations focus primarily on consumer needs or firm‐centric objectives, emerging pressures for sustainability and social responsibility demand a broader conceptualization of value orientation.
Aloisio Henrique Mazzarolo, Emerson Wagner Mainardes, Vitor Azzari   +2 more
wiley   +1 more source

Default Prediction in the Finance Industry Based on Ensemble Learning: Combining Machine Learning and Deep Learning

Business Systems Research
Financial institutions face significant challenges in predicting loan defaults, which directly impact the non-performing loan (NPL) rate. Incorrect predictions can lead to misinformed decisions and substantial financial losses.
Hoanh-Su Le, Phong Le Quang Chan, Vinh Truong Cong, Nhat Ho Mai Minh, Lee Jong-Hwa   +4 more
doaj   +1 more source

Are cryptocurrencies safe havens during the COVID-19 pandemic? A threshold regression perspective with pandemic-related benchmarks

Economics and Business Review, 2022
The paper employs a threshold regression framework conditioned by two COVID-19 related proxies, to investigate whether Bitcoin and Ether exhibit short-term safe haven or diversifier features for stock and bond markets.
Barbu Teodora Cristina, Boitan Iustina Alina, Cepoi Cosmin-Octavian   +2 more
doaj   +1 more source

Simultaneous Observations of Electron Phase Space Density Variations in the Geostationary Orbit by GK2A, GOES‐16, and GOES‐17

Journal of Geophysical Research: Space Physics, Volume 131, Issue 3, March 2026.
Abstract This study presents simultaneous measurements of electron phase space density (PSD) gradients in geostationary orbit using data from GK2A, GOES‐16, and GOES‐17. By leveraging a three‐satellite configuration, we provide statistical results of PSD gradient estimation in invariant coordinates.
N.‐Y. Lee, J. Seon, G. W. Na, C.‐H. Lee, W.‐H. Seol, K.‐C. Kim   +5 more
wiley   +1 more source

The Genotype × Environment Interaction Effect in Water Deficit in Promising Bread Wheat Genotypes Using the Selection Index Ideal Genotype (SIIG) [PDF]

پژوهشنامه اصلاح گیاهان زراعی
Extended Abstract Background: Considering that a major part of Iran is part of arid and semi-arid regions, obtaining stable genotypes with good yield stability is one of the ways to deal with drought stress.
Ali Akbar Asadi, Ashkboos Amini, Mohammad Rezaei Murad Alaa, Ali Akbar Mahmoodi Pirahani, Taghi Babaei, Adel Ghadiri   +5 more
doaj  

Does the inclusion of exposure to volatility into diversified portfolio improve the investment results? Portfolio construction from the perspective of a Polish investor

Economics and Business Review, 2020
The main goal of this research is to analyse the investment benefits from an incorporation of the volatility exposure to the diversified portfolio from the perspective of a Polish investor.
Latoszek Michał, Ślepaczuk Robert
doaj   +1 more source

Bankruptcy Prediction Model Development and its Implications on Financial Performance in Slovakia

Economics and Culture, 2023
Research purpose. Financial distress being a global phenomenon makes it impact firms in all sectors of the economy and predicting corporate bankruptcy has become a crucial issue in economics.
Gajdosikova Dominika, Valaskova Katarina
doaj   +1 more source

The Climate Modeling Alliance Atmosphere Dynamical Core: Concepts, Numerics, and Scaling

Journal of Advances in Modeling Earth Systems, Volume 18, Issue 3, March 2026.
Abstract This paper presents the dynamical core of the Climate Modeling Alliance (CliMA) atmosphere model, designed for efficient simulation of a wide range of atmospheric flows across scales. The core uses the nonhydrostatic equations of motion for a deep atmosphere, discretized with a hybrid approach that combines a spectral element method (SEM) in ...
Dennis Yatunin, Simon Byrne, Charles Kawczynski, Sriharsha Kandala, Gabriele Bozzola, Akshay Sridhar, Zhaoyi Shen, Anna Jaruga, Julia Sloan, Jia He, Daniel Zhengyu Huang, Valeria Barra, Ray Chew, Anudhyan Boral, Yi‐fan Chen, Oswald Knoth, Paul Ullrich, Cheikh Mbengue, Tapio Schneider   +18 more
wiley   +1 more source