Results 101 to 110 of about 32,645 (259)
Determining investment risk in an exchange portfolio by using Value at Risk (VaR) method [PDF]
In optimizing an investment portfolio, the aim is to determine optimal value of per security, where prepares the minimum risk and the maximum return. One of the methods to measure risk of portfolio is Value at Risk (VaR).
Jamshid Salehi Sadaghiani
doaj
ABSTRACT In response to growing global challenges, this study explores how social entrepreneurship within the Edible City movement contributes to building resilient, sustainable, and equitable urban food systems. Drawing on semistructured interviews with over 70 stakeholders across five cities—Berlin, Andernach, Oslo, Rotterdam, and Havana—we ...
Ina Säumel +6 more
wiley +1 more source
Optimization method of investment package based on Markowitz portfolio theory
Objective. 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
Drivers of Nature‐Related Investment Strategies Among Institutional Investors
ABSTRACT Institutional investors are increasingly responding to biodiversity loss through nature‐related investment strategies. Using survey data from 557 institutional investors, this study examines the drivers of strategy selection and how biodiversity risk is integrated across investor types, sizes, and regions.
Emma Olofsson
wiley +1 more source
Translating Circularity Into Strategy: A Governance Meta‐Capability Framework
ABSTRACT Firms struggle to transition to circular economy (CE) models, often citing external barriers. Yet some firms succeed, whereas others fail: Why? We argue that success depends on a specific governance capability—a meta‐capability that allows firms to (1) sense and strategically reframe CE imperatives, (2) seize opportunities by aligning diverse ...
Felix Carl Schultz +1 more
wiley +1 more source
Current Trends and Future Research in Management Control for Sustainability in Retail
ABSTRACT The growing emphasis on sustainability in the retail sector, driven by regulatory frameworks, market trends and consumer demand, has placed management control at the forefront of facilitating sustainability practices. Despite increasing academic interest in this area, the literature is fragmented and provides limited sector‐specific insight ...
Miguel Gil, Mart Ots, Timur Uman
wiley +1 more source
The Influence of ESG Controversies on Financing Costs for European Companies: Does Culture Matter?
ABSTRACT This study examines the relationship between environmental, social, and governance (ESG) controversies and corporate financing costs, focusing on the moderating effect of national culture. It analyzes European companies listed on the STOXX 600 Index from 2016 to 2023.
Souad Brinette +2 more
wiley +1 more source
Default Effect in ESG Investment: When a Recommendation Goes a Long Way
ABSTRACT Individual investors display a positive attitude toward ESG investments but typically fail to act upon it. We report results from a preregistered online experiment testing a default option on 1050 US investors examining the mechanisms driving the effectiveness of default options in promoting ESG investments.
Sai Sravanthi Ramadugula +2 more
wiley +1 more source
ABSTRACT This study examines the determinants of firms' propensity to adopt green buildings in the Euro Stoxx 300 and the S&P 500 indices, during 2012–2023. Using random forest binary classifiers, we assess the relative importance of financial, sectoral, geographic, and climate governance predictors and uncover nonlinear relationships often overlooked ...
María del Carmen Valls Martínez +3 more
wiley +1 more source
This study aims to determine the optimal stock portfolio within the SMinfra18 index using the Markowitz model and forecast the dominant stock price using the Long Short-Term Memory (LSTM) method. Monthly closing prices of 18 SMinfra18 stocks from January
ANNISA FITRIANI +4 more
doaj +1 more source

