Results 31 to 40 of about 519 (120)

Post-COVID dynamics of the refined–crude oil price spread in the us: Evidence from long memory and fractional cointegration models

open access: yesEnergy Nexus
This study investigates the widening spread between refined and crude oil prices in the United States during the post-COVID period. The objective of the paper is to analyze the dynamics of this spread, with particular emphasis on the persistence of ...
Manuel Monge, Carlos Poza
doaj   +1 more source

C2α‐carbanion‐protonating glutamate discloses tradeoffs between substrate accommodation and reaction rate in actinobacterial 2‐hydroxyacyl‐CoA lyase

open access: yesFEBS Open Bio, Volume 16, Issue 7, Page 1314-1327, July 2026.
Enzymes of the 2‐hydroxyacyl‐CoA lyase group catalyze the condensation of formyl‐CoA with aldehydes or ketones. Thus, by structural adaptation of active sites, practically any pharmaceutically and industrially important 2‐hydroxyacid could be biotechnologically synthesized. Combining crystal structure analysis, active site mutations and kinetic assays,
Michael Zahn   +4 more
wiley   +1 more source

Anàlisis espacial de susceptibilidad a la erosiòn hìdrica para la determinaciòn de los factores condicionantes en la producciòn de sedimentos mina acielo abierto C.V.M. S.A. Divisiòn Niquel, estado Aragua

open access: yes, 2022
Esta investigación tiene como propósito evaluar la susceptibilidad en el proceso de erosión hídrica de las cuatro (4) subcuencas hidrográficas de los ríos: Mesia, Tiara, Paito y Cagua, donde ocurre el yacimiento mineral Loma de Hierro, entre los estados ...
Quijada G., Geilin A.
core  

Identification of research areas in fuel sales forecasting within the business ecosystem context: A review, theoretical synthesis, and extension

open access: yesJournal of Economics and Management
Aim/purpose – This paper aims to explore both fuel sales forecasting and the business ecosystem, subsequently reversing the focus to examine the business ecosystem in the context of fuel sales forecasting.
Zema Tomasz, Sulich Adam, Hernes Marcin
doaj   +1 more source

Electricity and cryptocurrency mining: An empirical contribution

open access: yesHeliyon
Active cryptocurrency mining and trading comes with heavy electricity demand and increased emissions. Thus, cryptocurrency mining is prohibited in most economies.
David Iheke Okorie   +2 more
doaj   +1 more source

Balancing the Risk: Heritability of Leaf Phenology and Frost Resistance in the Dominant Temperate Forest Tree European Beech

open access: yesEcology and Evolution, Volume 16, Issue 7, July 2026.
We quantified the heritability of spring and autumn phenology and frost tolerance in European beech using a common‐garden experiment with 961 seedlings from half‐sib families. Spring leaf out and autumn senescence showed moderate heritability, indicating substantial adaptive potential, whereas bud and leaf frost tolerance exhibited low heritability ...
Jonas Schmeddes   +10 more
wiley   +1 more source

Exploring dynamic extreme dependence of oil and agricultural markets

open access: yesInternational Review of Economics & Finance
This study examines the dynamic extreme dependence between oil markets and a set of non-exploited agricultural assets (Barley, coffee, maize, rice, sorghum, sugar, wheat) prices using 1990–2023 monthly prices data. Our time-varying copula models allow us
Khalid M. Kisswani   +2 more
doaj   +1 more source

Toward a fundamental understanding of flow-based market coupling for cross-border electricity trading

open access: yesAdvances in Applied Energy, 2021
Trading electricity across market zones furthers competitive power prices, security of supply and the integration of renewable energy. In the European Union, flow-based market coupling is the target model to compute correct trading capacities between ...
David Schönheit   +5 more
doaj   +1 more source

Building a Brief Multidomain Questionnaire for Gambling Dual Disorder: Psychometric Validation and RDoC‐Based Dimensional Structure

open access: yesInternational Journal of Methods in Psychiatric Research, Volume 35, Issue 2, June 2026.
ABSTRACT Objectives Gambling Disorder (GD) frequently co‐occurs with other mental disorders, a clinical condition termed Gambling Dual Disorder (GDD) that is often overlooked. We aimed to develop and validate a brief multidomain questionnaire to assess GDD severity within a dimensional, transdiagnostic framework.
Ignacio Basurte‐Villamor   +6 more
wiley   +1 more source

Energy prices and the structure of inflation in European Union countries

open access: yesInternational Journal of Management and Economics
Since 2022, in almost every inflation category, a strong divergence in price dynamics among the EU countries has become visible. The first aim of this paper is to assess the impact of changes in energy prices on the differentiation in price dynamics in ...
Markowski Łukasz, Kotliński Kamil
doaj   +1 more source

Home - About - Disclaimer - Privacy