Results 141 to 150 of about 568,516 (304)
Funds of funds portfolio composition and its impact on the performance: evidence from the Italian market [PDF]
Funds of Funds (FoF) are particular investment funds that invest resources in some mutual funds. This type of funds offers the possibility to achieve an higher diversification that an investor can’t realize using other instruments.
Carretta, Alessandro +1 more
core +1 more source
Portfolio Constraints and Contagion in Emerging Markets [PDF]
The objective of this paper is twofold: (1) to analyze an optimal portfolio rebalancing by a fund manager in response to a "volatility shock" in one of the asset markets, under sufficiently realistic assumptions about the fund manager's performance ...
Anna Ilyina
core
Prioritizing Feasible and Impactful Actions to Enable Secure AI Development and Use in Biology
Biotechnology and Bioengineering, EarlyView.ABSTRACT As artificial intelligence continues to enhance biological innovation, the potential for misuse must be addressed to fully unlock the potential societal benefits. While significant work has been done to evaluate general‐purpose AI and specialized biological design tools (BDTs) for biothreat creation risks, actionable steps to mitigate the risk
Josh Dettman +4 more
wiley +1 more source
Sensitivity analysis of volatility: a new tool for risk management [PDF]
The extension of GARCH models to the multivariate setting has been fraught with difficulties. In this paper, we suggest to work with univariate portfolio GARCH models.
Ceci, Vladimiro +2 more
core
Bulletin of the Korean Chemical Society, EarlyView.This review consolidates mechanisms and solutions for mixed Sn–Pb perovskite solar cells. It identifies Sn2+ oxidation, iodine generation, and interfacial defects as primary instabilities. It discusses progress in additives, interface passivation, alternative hole transport layers, and solvent engineering as well as future directions for achieving long‐
Lei Chen, Kai Zhu
wiley +1 more source
Learning Under Ambiguity [PDF]
This paper considers learning when the distinction between risk and ambiguity (Knightian uncertainty) matters. Working within the framework of recursive multiple-priors utility, the paper formulates a counterpart of the Bayesian model of learning about ...
Larry Epstein, Martin Schneider
core
The spread of non‐native species
Biological Reviews, EarlyView.ABSTRACT The global redistribution of species through human agency is one of the defining ecological signatures of the Anthropocene, with biological invasions reshaping biodiversity patterns, ecosystem processes and services, and species interactions globally.
Phillip J. Haubrock +16 more
wiley +1 more source
Currency Hedging for International Stock Portfolios [PDF]
This paper tests whether hedging currency risk improves the performance of international stock portfolios. We use a generalized performance measure which allows for investor-dependencies such as different utility functions and the presence of nontraded ...
Nijman, T.E. +2 more
core +1 more source
Business Strategy and the Environment, EarlyView.ABSTRACT This article evaluates the average business performance of construction firms across Spain's 17 autonomous communities within a decentralised governance framework. A regional composite sustainability index is developed, integrating economic, social and environmental intensity indicators.
Francisco José Castillo‐Díaz +3 more
wiley +1 more source