Results 51 to 60 of about 10,838 (252)

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

open access: yesEconomics 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

open access: yesJournal 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   +2 more
doaj   +1 more source

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

open access: yesCarbon 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   +14 more
wiley   +1 more source

Sterically controlled azomethine ylide cycloaddition polymerization of phenyl-C61-butyric acid methyl ester

open access: yes, 2016
International audiencePhenyl-C61-butyric acid methyl ester (PCBM) is polymerized simply using a one-pot reaction to yield soluble, high molecular weight polymers.
Santos Silva, Hugo   +20 more
core   +1 more source

Measure the Efficiency of Commercial Bankers – A New Approach

open access: yesFoundations of Management
Evaluating the performance of banks is important to governments and bankers, but it is also important to investors. Usually, retail investors judge the strength of a bank by its return on capital ratio.
NGUYEN Quoc Hung, THI Xuan Dao NGUYEN
doaj   +1 more source

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

open access: yesBusiness 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

Flexible Direct‐Conversion X‐Ray Detectors: From Emerging Materials to Conformal Imaging

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This comprehensive review analyzed the performance, challenges, and future directions of four emerging material systems for next‐generation flexible direct‐conversion X‐ray detectors: organic semiconductors, perovskites, metal–organic frameworks, and inorganic metal compounds.
Haipeng Di   +11 more
wiley   +1 more source

Inability of Gearing-Ratio as Predictor for Early Warning Systems

open access: yesBusiness 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

open access: yesFoundations 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

open access: yesJournal 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

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