Results 131 to 140 of about 2,901,594 (253)
Business Strategy and the Environment, EarlyView.ABSTRACT The United States (U.S.) faces challenges in achieving its ambitious net‐zero carbon emissions target by 2050, with current emissions having fallen by less than 1% in 2024. Despite an investment of $500 billion in low‐carbon resources while holding the second‐largest green technology patent portfolio globally, it is further imperative to ...
Md Zubair Ahmad +5 more
wiley +1 more source
Optimization method of investment package based on Markowitz portfolio theory
Вестник Дагестанского государственного технического университета: Технические наукиObjective. The aim of the study is to implement and evaluate the optimization method based on the Markowitz portfolio theory. Method. The model is built using the Python programming language and the necessary libraries.
A. D. Baydalin
doaj +1 more source
Portfolio Management for a Random Field of Bond Returns [PDF]
A new method of bond portfolio optimization is described. The method is based on stochastic string models of bond returns. It is shown how to approximate the bond return correlation function with Padé approximations and how to compute the optimal ...
Vladislav Kargin
core
Green Hydrogen for Public Transportation: Insights From an ABM and From Palma de Mallorca Case Study
Business Strategy and the Environment, EarlyView.ABSTRACT The development of green hydrogen (GH2) value chains is crucial for decarbonizing sectors such as transport and industry. Their emergence, however, requires coordination among diverse actors, technologies, and regulations, which traditional analytical approaches struggle to capture.
Roberta De Cristofaro +2 more
wiley +1 more source
Mean-variance inefficiency of CRRA and CARA utility functions for portfolio selection in defined contribution pension schemes [PDF]
We consider the portfolio selection problem in the accumulation phase of a defined contribution pension scheme in continuous time, and compare the mean-variance and the expected utility maximization approaches.
Elena Vigna
core
Leading the Loop: Anchor‐Led Orchestration in Nascent Circular Ecosystems—A Qualitative Case Study
Business Strategy and the Environment, EarlyView.ABSTRACT The transition towards a circular economy necessitates coordinated, systemic change across value chains. Yet the role of anchor firms in initiating and orchestrating nascent circular ecosystems remains underexplored. Using an inductive, qualitative single‐case design, we analyse a German mid‐sized entrepreneurial firm, drawing on 21 interviews
Johann Felix Mader, Patrick Spieth
wiley +1 more source
Mean-Variance-Skewness Portfolio Performance Gauging: A General Shortage Function and Dual Approach [PDF]
This paper proposes a nonparametric efficiency measurement approach for the static portfolio selection problem in mean-variance-skewness space. A shortage function is defined that looks for possible increases in return and skewness and decreases in ...
Kristiaan Kerstens +2 more
core
Business Strategy and the Environment, EarlyView.ABSTRACT Sustainability reports (SRs) are widely criticized for vague disclosures and selective emphasis on positive outcomes, yet systematic research on two core SR challenges remains limited: materiality (whether disclosed content is relevant) and balance (whether both achievements and challenges are reported).
Mahsa Mohammadrezaei +1 more
wiley +1 more source
International Portfolio Diversification: Short-Term Financial Assets and Gold [PDF]
Using a continuous-time finance-theoretic framework, this paper presents the optimal portfolio rule of an international investor who consumes N national composite goods and who holds N domestic-currency-denominated assets with known nominal interest ...
Jeffrey A. Goldstein +2 more
core
Bridging Academic Research and Business Practices at the Crossroad of Circular Economy and the SDGs
Business Strategy and the Environment, EarlyView.ABSTRACT The global shift toward sustainability has amplified interest in the Circular Economy, which aims to optimize resource use and minimize waste. In parallel, the Sustainable Development Goals (SDGs) provide a universal framework for addressing social, environmental, and economic challenges.
Corentin Juin, Andrea Nicolodi
wiley +1 more source