Results 191 to 200 of about 1,635,403 (365)

Nonlinear Shrinkage of the Covariance Matrix for Portfolio Selection: Markowitz Meets Goldilocks

, 2017
Olivier Ledoit, Michael Wolf
semanticscholar   +1 more source

Machine Learning and Portfolio Optimization

Management Sciences, 2018
Gah-Yi Ban, N. Karoui, Andrew E. B. Lim
semanticscholar   +1 more source

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, Ali Serhan Tarkan, Irene Martín‐Forés, Stelios Katsanevakis, Ronaldo Sousa, Ismael Soto, Andy J. Green, Antonín Kouba, Teun Everts, Victoria Dominguez Almela, Nadège Belouard, Cang Hui, Jamie Bojko, Victor Deklerck, Margaux Boeraeve, Franz Essl, J. Robert Britton   +16 more
wiley   +1 more source

Fostering reflective practice and professional development: implementation of an integrated mentoring and e-portfolio program for medical students. [PDF]

BMC Med Educ
Agha S, Alumer B, Al-Subait R, Siddiqui NU, Shah SWH.   +4 more
europepmc   +1 more source

Strategic Sustainability Assessment in the Construction Sector: A Multidimensional Index for Decision Making in Decentralised Economies

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, Luis J. Belmonte‐Ureña, Pedro Fernandes da Anunciação, Francisco Camacho‐Ferre   +3 more
wiley   +1 more source

Graph attention-based heterogeneous multi-agent deep reinforcement learning for adaptive portfolio optimization. [PDF]

Sci Rep
Zhang B.
europepmc   +1 more source

Think Global, Act Local? Fortune 500 Business Strategies for Sustainable Cities and Communities (SDG 11)

Business Strategy and the Environment, EarlyView.
ABSTRACT The role of business towards achieving the 17 Sustainable Development Goals (SDGs) has been well established. However, SDG contextualization continues to pose a conundrum, particularly for firms operating in multiple contexts. This becomes even more problematic in the case of SDG 11, the only goal in the sustainable development agenda directly
Andreas Georgiou
wiley   +1 more source

Entropy-Augmented Forecasting and Portfolio Construction at the Industry-Group Level: A Causal Machine-Learning Approach Using Gradient-Boosted Decision Trees. [PDF]

Entropy (Basel)
Cohen G, Aiche A, Eichel R.
europepmc   +1 more source

Virtual currency, tangible return: Portfolio diversification with bitcoin

Journal of Asset Management, 2015
M. Brière, K. Oosterlinck, A. Szafarz
semanticscholar   +1 more source

Digital Technologies Disclosure and the Cost of Capital: The Mediating Role of Sustainability Performance

Business Strategy and the Environment, EarlyView.
ABSTRACT This study examines the economic consequences of Digital Technologies Disclosure (DTD), focusing on its impact on the cost of capital. The increasing significance of digital transformation in shaping corporate strategies and market perceptions motivates the study.
Hussein Mohsen Saber Ahmed, Awad Elsayed Awad Ibrahim, Khaldoon Albitar   +2 more
wiley   +1 more source