Results 161 to 170 of about 333,468 (215)

Innovation Pathways to Carbon Efficiency: Disentangling the Effects of AI, R&D, and Clean Energy Blessings on U.S. Environmental Sustainability

open access: yesBusiness 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

Eco‐Innovation, Economic Complexity, and Sustainability: A Bibliometric and Systematic Literature Review

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT This study systematizes the literature on eco‐innovation and economic complexity, aiming to understand how the sophistication of productive structures shapes countries' capacity to develop environmentally responsible innovations, and how eco‐innovation may, in turn, influence productive sophistication.
Gregory Matheus Pereira de Moraes   +1 more
wiley   +1 more source

How Do Carbon Emissions Affect the Performance of Listed Latin American Firms? The Moderating Effect of Financial Slack

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT This study analyses the association between carbon emissions and financial performance in Latin American firms. The scientific literature on this topic is limited, with little evidence available in this geographical region. This study aims to address this research gap by testing hypotheses focused on analysing how Scope 1, 2 and 3 carbon ...
Ana Isabel Mendieta‐Callirgos   +3 more
wiley   +1 more source

Green Hydrogen for Public Transportation: Insights From an ABM and From Palma de Mallorca Case Study

open access: yesBusiness 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

Debt Portfolios [PDF]

open access: possibleSSRN Electronic Journal, 2011
We provide a model with endogenous portfolios of secured and unsecured household debt. Secured debt is collateralized by owner-occupied housing whereas unsecured debt can be discharged according to bankruptcy regulations. We show that the calibrated model matches important quantitative characteristics of observed wealth and debt portfolios for prime ...
Hintermaier, Thomas, Koeniger, Winfried
openaire   +6 more sources

PLAYING WITH PORTFOLIOS

The Journal of Finance, 1975
IN THE FIRST SECTION of this paper we describe a portfolio game in which the players manage portfolios of hypothetical stocks with the aid of some equally hypothetical analysts. The players compete not only against one another but also against the market index and a portfolio managed by means of the Sharpe model.
Brealey, Richard A, Hodges, S D
openaire   +1 more source

Multiperiod Portfolio Analysis And The Inefficiency Of The Market Portfolio

The Journal of Finance, 1976
THE MEAN-VARIANCE (EV) approach to portfolio selection has been criticized traditionally on three aspects of its application: (1) It relies entirely on the mean and variance (or standard deviation) of the distribution of holding-period-returns (HPR's); yet, other moments of the distribution, like skewness and kurtosis, may also be of interest to ...
Gressis, N, Philippatos, G C, Hayya, J
openaire   +1 more source

Portfolio on Portfolios

English Education, 1997
Offers a discussion, in the form of a portfolio, of how the author helps student teachers reflect on their teaching through learning portfolios including artifacts on the culture of teaching, pedagogical insights, big risks and monumental leaps, and failures.
openaire   +1 more source

UNIVERSAL PORTFOLIOS

Mathematical Finance, 1991
We exhibit an algorithm for portfolio selection that asymptotically outperforms the best stock in the market. Let xi= (xi, xi2,…, xim)t denote the performance of the stock market on day i, where xii is the factor by which the jth stock increases on day i. Let bi= (bi1 bi2, bim)t, b;ij≫ 0, bij= 1, denote the proportion bij of wealth invested in the j th
openaire   +1 more source

Portfolio Fishing

The Scandinavian Journal of Economics, 1997
The optimal fishing pattern in a multi‐cohort fishery is determined using risk theory.Portfolio theory becomes applicable by treating different age groups of fish as different assets. A possibility set is derived using data on Icelandic cod fisheries. In the presence of risk aversion, it is shown that the abrupt behavior found in deterministic models ...
Baldursson, Fridrik Már   +1 more
openaire   +2 more sources

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