Results 41 to 50 of about 12,124 (246)

Economy vs. history

, 2009
C61, L11, R12,
Helge Sanner, Sanner, Helge (Dr.)
core   +1 more source

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

Dynamic factor copula-based modeling for market risk optimization with an application to the real industry in China

Journal of Innovation & Knowledge, 2023
As finance returns to its fundamental purpose of serving the real economy, its connections with various industries are strengthening. Accurately depicting the interdependence among these industries and mitigating financial risks has become increasingly ...
Zhenlong Chen, Jialian Zhou, Xiaozhen Hao   +2 more
doaj   +1 more source

Perovskite Photodetectors at the Intelligence Frontier: From Tunable Materials to Adaptive Optoelectronic Systems

Carbon Energy, EarlyView.
This comprehensive review presents a progressive roadmap for perovskite vision detectors. Centered on perovskite‐based artificial perception, the graphic illustrates a systematic evolution: starting with fundamental material engineering and device architectures, advancing toward complex functional strategies such as flexible neuromorphic imaging ...
Chenglong Li, Wei Qu, Deepak Kumar, Naini Jain, Nur Wardina Syahirah binti Mohamad Fadil, Nur Najiha binti Ahmad Rasid, Emannuel Kymakis, Maria Vasilopoulou, Chunxiong Bao, Feng Gao, Peng Gao, Sanjeev Kumar Sharma, Mohammad Khaja Nazeeruddin, Abd. Rashid bin Mohd Yusoff, Haotong Wei   +14 more
wiley   +1 more source

Application of the Nonparametric DEA Meta-frontier Approach with Undesirable Outputs in the Case of EU Regions

Business Systems Research, 2016
Background: The paper focusses on the efficiency evaluation of the EU-28 NUTS 2 regions production process according to the concept of the Regional Competitiveness Index 2013.
Hančlová Jana, Melecký Lukáš
doaj   +1 more source

Conductive MOF Engineering for Carbon‐Based Perovskite Solar Cells With High Efficiency, Stability, and Lead Leakage Mitigation

Carbon Energy, EarlyView.
By precisely incorporating the strong electron acceptor TCNQ into Cu3BTC2 pores to construct a conductive MOF interface (TCNQ@Cu3BTC2) via intermolecular π‐π conjugation, this multifunctional layer simultaneously establishes efficient charge transport channels, passivates defects, and optimizes energy‐level alignment, enabling champion devices with 19 ...
Congcong Li, Haojie Sui, Jinhao Dong, Yongqi Xie, Yingsheng Sun, Xuan Wang, Changlin Yao, Qi Zhang, Hai Zhong, Shufang Zhang   +9 more
wiley   +1 more source

Inability of Gearing-Ratio as Predictor for Early Warning Systems

Business Systems Research, 2014
Background: Research in business failure and insolvency prediction provides numerous potential variables, which are in the position to differentiate between solvent and insolvent firms.
Situm Mario
doaj   +1 more source

Outranking Methods: Promethee I and Promethee II

Foundations of Management, 2020
This article highlights the application of the Preference Ranking Organization Method for Enrichment of Evaluations (PROMETHEE) I and II in selecting the best laptop model among six different available models in the market. Seven important criteria, that
Goswami Shankha Shubhra
doaj   +1 more source

Market analysis for sustainable energy suppliers with regulation restrictions

Journal of Innovation & Knowledge, 2023
The purpose of this research is to explain the policy model even for the development of renewable energy sources in the country. This article examines the factors affecting the renewable energy market and the development methods of these resources based ...
Renyu Li, Shihao Li
doaj   +1 more source

A Co‐Deposition Approach for Self‐Assembled Molecules and Perovskites Achieving > 20% Efficiency in Wide‐Bandgap Perovskite Solar Cells

EcoEnergy, EarlyView.
Developing the π‐conjugation extended carbazole self‐assembled molecule, written as XS22, for efficient co‐deposited wide‐bandgap perovskite solar cells. ABSTRACT Co‐deposited strategy of self‐assembled molecule (SAM) and perovskite could simplify the fabrication process as well as achieving the high‐performance solar cells.
Yuxiao Guo, Haoyuan Yan, Dan Liu, Shiyan Guo, Xu Li, Ruichao Zhu, Jiafu Wang, Jinhai Huang, Bo Xu   +8 more
wiley   +1 more source