Results 141 to 150 of about 2,801,257 (304)

"An Asymptotic Expansion Scheme for the Optimal Investment Problems" [PDF]

We shall propose a new computational scheme for the evaluation of the optimal portfolio for investment.Our method is based on an extension of the asymptotic expansion approach which has been recently developed for pricing problems of the contingent ...
Nakahiro Yoshida, Akihiko Takahashi
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

Hedging global environment risks: An option based portfolio insurance [PDF]

This paper introduces a financial hedging model for global environment risks. Our approach is based on portfolio insurance under hedging constraints. Investors are assumed to maximize their expected utilities defined on financial and environmental asset ...
Jean-Luc Prigent, André de Palma
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Reporting What Matters, or Reporting What Looks Good? Materiality and Balance in Post–Rana Plaza Apparel Sustainability Disclosure

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, José Carlos Marques   +1 more
wiley   +1 more source

Optimal consumption policies in illiquid markets [PDF]

We investigate optimal consumption policies in the liquidity risk model introduced in Pham and Tankov (2007). Our main result is to derive smoothness results for the value functions of the portfolio/consumption choice problem. As an important consequence,
Peter Tankov, Fausto Gozzi, Huyên Pham, Alessandra Cretarola   +3 more
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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

Greening the Bottom Line: Public Funding for Circular Economy Initiatives and Financial Stability

Business Strategy and the Environment, EarlyView.
ABSTRACT Public funding for circular economy (CE) initiatives plays a crucial role in shaping corporate financial performance, yet its effects remain underexplored. Grounded in the resource‐based view (RBV) of the firm, this study investigates the financial impact of CE funding on private firms, using Portugal as a case study. It analyses the financial
Rui Cruz, Marisa R. Ferreira, Carina Silva, María Isabel Sánchez‐Hernández   +3 more
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, Walter Briec, Octave Jokung   +2 more
core  

The Role of Transition Intermediaries as Capability Builders for Adopting Radical Innovation in Incumbent Firms: The Case of the UK Energy Supply Sector

Business Strategy and the Environment, EarlyView.
ABSTRACT Transition intermediaries play a pivotal role in configuring networks aligning the interests of stakeholders to achieve sustainable goals. However, the transition literature has paid little attention to the influence intermediaries can have in strengthening organisational capabilities. Especially in sectors that are slow to change, such as the
Horacio Gonzalez, Matthew Hannon, Efstathios Tapinos   +2 more
wiley   +1 more source

PEMBENTUKAN PORTOFOLIO OPTIMAL SAHAM-SAHAM PADA PERIODE BULLISH DI BURSA EFEK INDONESIA

Jurnal Economia, 2013
Abstrak: Pembentukan Portofolio Optimal Saham-Saham Pada Periode Bullish Di Bursa Efek Indonesia. Penelitian ini dilakukan dengan tujuan untuk menyusun portofolio optimal saham yang tercatat di Bursa Efek Indonesia dengan menggunakan model indeks tunggal
Suramaya Suci Kewal
doaj